cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.48370/ofd/0h4agq
title: Sorex araneus - 17859, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-02-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/p17ghv
title: Sorex araneus - 4976, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-05, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/y71oba
title: Sorex araneus - 110314, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-07-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/bn2upz
title: Sorex araneus - 18317, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-06-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/krt5zo
title: Sorex araneus - 150700, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1985-07-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jsym4i
title: Sorex araneus - 110776, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-09-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/3z5moo
title: Sorex araneus - 23218, 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/jyfvcn
title: Sorex araneus - 20793, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-01-31, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/2cpnqe
title: Sorex araneus - 20140, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-07-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gojlwe
title: Sorex araneus - 99912, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-11-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ebm3m2
title: Sorex araneus - 34231, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-11-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/wkawku
title: Sorex araneus - 4509, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-06-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/iwf4xx
title: Sorex araneus - 10824, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/fbkaly
title: Sorex araneus - 98902, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-08-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/grkogl
title: Sorex araneus - 22615, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-07-05, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/yuqtuy
title: Sorex araneus - 16598, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1956-03-20, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dqao0g
title: Sorex araneus - 22713, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-07-20, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jdofpe
title: Sorex araneus - 106835, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-07-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/uvvkst
title: Sorex araneus - 33989, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-10-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/rotnc5
title: Sorex araneus - 128423, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1978-06-30, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/1nob6s
title: Sorex araneus - 26096, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-09-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/z5z6vf
title: Sorex araneus - 99132, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-09-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jp7kjj
title: Sorex araneus - 991, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-05-31, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/8prcpl
title: Sorex araneus - 51081, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-02-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hkgzro
title: Sorex araneus - 124585, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1977-07-11, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/puxsht
title: Sorex araneus - 151584, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1985-09-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/4dftcv
title: Sorex araneus - 30855, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-10-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kgovs8
title: Sorex araneus - 28556, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-08-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/eiyfbp
title: Sorex araneus - 99944, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-11-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dceigg
title: Sorex araneus - 3080, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ndggdw
title: Sorex araneus - 168278, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 2002-07-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/8bd7h9
title: Sorex araneus - 158292, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1989-07-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/7cdlac
title: Sorex araneus - 28617, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-08-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/q2kjxc
title: Sorex araneus - 113257, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1974-05-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/y15zee
title: Sorex araneus - 24048, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1960-10-27, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/i13jkm
title: Sorex araneus - 91759, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1970-08-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gajv36
title: Sorex araneus - 5825, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-05, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/9gyljp
title: Sorex araneus - 7896, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-04-10, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/bn1if8
title: Sorex araneus - 25717, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-08-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/9nss92
title: Sorex araneus - 11884, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vtc1wp
title: Sorex araneus - 25678, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-08-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/7znxpm
title: Sorex araneus - 22464, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-06-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/5cdjl2
title: Sorex araneus - 140328, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1981-10-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kikf7p
title: Sorex araneus - 98768, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-07-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/jw0ywq
title: Sorex araneus - 32233, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-07-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ulomyf
title: Sorex araneus - 6026, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-14, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/4dm9w4
title: Sorex araneus - 22020, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-06-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/lvicby
title: Sorex araneus - 66562, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1967-10-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/iwvmdn
title: Sorex araneus - 6195, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-20, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zu89u1
title: Sorex araneus - 10222, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/faapzf
title: Sorex araneus - 18852, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1957-08-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ytdq79
title: Sorex araneus - 4622, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-06-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/okhkdt
title: Sorex araneus - 13598, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-09-05, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/arrnwe
title: Sorex araneus - 23911, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1960-08-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/cizgxw
title: Sorex araneus - 5429, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-25, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gedqj3
title: Sorex araneus - 32236, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-07-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zcua9l
title: Sorex araneus - 6245, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-21, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ci6vh1
title: Sorex araneus - 16448, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1956-01-21, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/mccbdd
title: Sorex araneus - 110115, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-06-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/k9ojum
title: Sorex araneus - 20054, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-07-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/epvo8o
title: Sorex araneus - 2302, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-07-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ai8toe
title: Sorex araneus - 32015, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-06-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/l7qt1r
title: Sorex araneus - 65273, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1967-09-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/j4nmuo
title: Sorex araneus - 10681, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-14, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/8tzmt7
title: Sorex araneus - 54130, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-08-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/xu1vgl
title: Sorex araneus - 116148, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1975-03-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/2x9rwl
title: Sorex araneus - 10425, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-11, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/7sqay6
title: Sorex araneus - 3322, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/8fki2p
title: Sorex araneus - 23195, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-09-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ebe04f
title: Sorex araneus - 53817, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-08-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/daxucq
title: Sorex araneus - 3559, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-09-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/iyigxd
title: Sorex araneus - 11066, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/knrr3l
title: Sorex araneus - 26237, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-10-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ujcb4z
title: Sorex araneus - 1904, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-06-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/rugnmh
title: Sorex araneus - 31545, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-04-21, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kvyqwa
title: Sorex araneus - 92071, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1970-09-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/fwck9z
title: Sorex araneus - 28532, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-08-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hufamr
title: Sorex araneus - 19701, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-01-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/515edf
title: Sorex araneus - 19702, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-01-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/340ufm
title: Sorex araneus - 72465, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-04-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/fdjx04
title: Sorex araneus - 20118, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-07-23, in: Białowieża National Park, Poland. Material type: