cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.48370/ofd/p1x6jz
title: Sorex araneus - 13008, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-08-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/9od5e2
title: Sorex araneus - 55339, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-11-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kkdjw6
title: Sorex araneus - 1948, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-07-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vebunj
title: Sorex araneus - 6729, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-09-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/lnkswb
title: Sorex araneus - 116973, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1975-08-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/rxdkrt
title: Sorex araneus - 104439, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-04-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/to49yl
title: Sorex araneus - 29190, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-09-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ddhj8i
title: Sorex araneus - 3436, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/a06tkf
title: Sorex araneus - 11535, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/e3qa5u
title: Sorex araneus - 9009, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-06-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gx3he8
title: Sorex araneus - 19053, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-09-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/biftlt
title: Sorex araneus - 2001, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-07-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dm8twe
title: Sorex araneus - 99410, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-09-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/bixcgz
title: Sorex araneus - 24881, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-06-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/9voizc
title: Sorex araneus - 26633, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-11-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ahagib
title: Sorex araneus - 5223, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-13, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/exybvk
title: Sorex araneus - 22856, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-08-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/4sfymy
title: Sorex araneus - 20365, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-09-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/rg5o2g
title: Sorex araneus - 18872, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-08-28, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/2cui2i
title: Sorex araneus - 20058, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-07-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/yhkolr
title: Sorex araneus - 33722, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-10-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/us4pje
title: Sorex araneus - 23030, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-08-10, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/nrpewv
title: Sorex araneus - 161167, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1992-04-30, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/cymom6
title: Sorex araneus - 52882, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-07-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/7ktl44
title: Sorex araneus - 34541, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1964-01-14, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/q7jthm
title: Sorex araneus - 14787, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-09-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/3tkee9
title: Sorex araneus - 76236, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-07-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/f472l9
title: Sorex araneus - 110608, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-08-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zqeyjn
title: Sorex araneus - 95503, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1970-11-10, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/rfvelr
title: Sorex araneus - 110421, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-07-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/pki7d2
title: Sorex araneus - 3842, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-09-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ghp0u4
title: Sorex araneus - 1886, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-06-28, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/opyq5p
title: Sorex araneus - 32411, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-07-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vsonec
title: Sorex araneus - 106700, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-07-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/5ir4pm
title: Sorex araneus - 159823, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1990-07-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/difgvo
title: Sorex araneus - 23646, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1960-03-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vm2mst
title: Sorex araneus - 9610, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dn7fuy
title: Sorex araneus - 57108, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1967-02-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/noxuze
title: Sorex araneus - 53372, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-07-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/wclswn
title: Sorex araneus - 32928, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-08-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vhzgbo
title: Sorex araneus - 113411, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1974-07-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/g3jdaa
title: Sorex araneus - 110732, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-08-30, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/qfykpx
title: Sorex araneus - 2841, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zp4a8f
title: Sorex araneus - 18091, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-05-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/s97qku
title: Sorex araneus - 23973, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1960-09-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/lvkbqb
title: Sorex araneus - 14876, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-09-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/thqblo
title: Sorex araneus - 34464, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-12-28, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/xmap2b
title: Sorex araneus - 18427, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-07-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/t4vnkm
title: Sorex araneus - 97534, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-04-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ulnddq
title: Sorex araneus - 104982, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-06-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/yadg0w
title: Sorex araneus - 76443, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-08-05, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/uv14nb
title: Sorex araneus - 118622, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1976-03-30, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/74lmtx
title: Sorex araneus - 152994, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1986-07-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ighyxz
title: Sorex araneus - 31043, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-11-25, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/j73p9p
title: Sorex araneus - 150147, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1984-10-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hgzfaf
title: Sorex araneus - 16398, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1956-01-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ctv2wk
title: Sorex araneus - 98997, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-08-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/k8jydt
title: Sorex araneus - 17460, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1956-09-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gbkzfe
title: Sorex araneus - 3098, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-14, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/evskst
title: Sorex araneus - 5120, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-10, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/20zhtk
title: Sorex araneus - 25118, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-07-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jrlzdv
title: Sorex araneus - 20113, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-07-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dlcc2n
title: Sorex araneus - 10270, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ootimv
title: Sorex araneus - 18413, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-07-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jwdskd
title: Sorex araneus - 23210, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-09-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/35iigb
title: Sorex araneus - 107149, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-08-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/yrshiu
title: Sorex araneus - 135459, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1979-12-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/3oyjam
title: Sorex araneus - 22728, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-07-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/rkzrvu
title: Sorex araneus - 25725, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-08-25, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/g0mabs
title: Sorex araneus - 162311, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1992-09-20, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/fyoav1
title: Sorex araneus - 9029, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-06-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zhn3c6
title: Sorex araneus - 31877, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-06-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/mwe3wq
title: Sorex araneus - 11626, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/yywnvt
title: Sorex araneus - 5763, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/9w2r0t
title: Sorex araneus - 116580, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1975-07-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/fhhxzf
title: Sorex araneus - 90961, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1970-06-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/twfynx
title: Sorex araneus - 3242, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/iaw7wl
title: Sorex araneus - 115502, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1974-10-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jg5oww
title: Sorex araneus - 11608, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-25, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dmo0ri
title: Sorex araneus - 109330, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-02-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ltymvc
title: Sorex araneus - 28420, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-07-24, in: Białowieża National Park, Poland. Material type: