cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.48370/ofd/tzjsof
title: Sorex araneus - 98727, 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/dbzteq
title: Sorex araneus - 20095, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-07-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/nmymev
title: Sorex araneus - 6391, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-29, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/npsoo2
title: Sorex araneus - 5594, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-28, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/i1jh7q
title: Sorex araneus - 111259, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-10-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kinwpk
title: Sorex araneus - 5191, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hkjucq
title: Sorex araneus - 118679, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1976-04-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/uvpmos
title: Sorex araneus - 61980, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1967-02-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/aeyzwb
title: Sorex araneus - 32875, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-08-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/bp5dbv
title: Sorex araneus - 6277, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ny02oo
title: Sorex araneus - 5054, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/bhmaak
title: Sorex araneus - 15452, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-11-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/73ctxp
title: Sorex araneus - 10828, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/padnk8
title: Sorex araneus - 20769, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-01-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/j1ortg
title: Sorex araneus - 74529, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-06-15, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kwc9gl
title: Sorex araneus - 131772, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1979-07-09, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/wfwugc
title: Sorex araneus - 114282, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1974-08-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zvzcb8
title: Sorex araneus - 19993, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-06-20, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/h8v2jq
title: Sorex araneus - 5859, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-08-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/adqsns
title: Sorex araneus - 22942, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-08-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gtw9an
title: Sorex araneus - 168336, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 2002-07-05, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/zpdya4
title: Sorex araneus - 6544, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-09-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/pct6g3
title: Sorex araneus - 33562, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-09-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/cwkzyl
title: Sorex araneus - 12497, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-08-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/c8kuzl
title: Sorex araneus - 3050, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-08-10, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/dulkbi
title: Sorex araneus - 110275, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-07-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/o1omwb
title: Sorex araneus - 15934, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-11-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/lmokfn
title: Sorex araneus - 20222, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-08-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/uftilc
title: Sorex araneus - 110113, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-06-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/5rwm3e
title: Sorex araneus - 20421, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-09-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/pg4d2e
title: Sorex araneus - 150201, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1984-10-12, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ynwmbi
title: Sorex araneus - 72387, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-03-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/i4fqfv
title: Sorex araneus - 3807, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-09-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/czfkeo
title: Sorex araneus - 98836, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-08-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/orr53t
title: Sorex araneus - 46022, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1965-09-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/z3f1on
title: Sorex araneus - 2409, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-07-20, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/cbnao9
title: Sorex araneus - 18869, 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/lwijwi
title: Sorex araneus - 29026, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-09-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/croa4q
title: Sorex araneus - 33278, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-09-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/3jtrdf
title: Sorex araneus - 76720, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-08-22, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/2xnb3s
title: Sorex araneus - 17860, 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/a2szjp
title: Sorex araneus - 24012, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1960-09-28, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/njuh6t
title: Sorex araneus - 44620, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1965-07-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/5qn77m
title: Sorex araneus - 32645, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-08-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vdatjr
title: Sorex araneus - 15834, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-11-13, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/c50qrb
title: Sorex araneus - 65175, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1967-09-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/yn53ik
title: Sorex araneus - 19654, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-01-04, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/8beljg
title: Sorex araneus - 33519, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1963-09-14, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/u3scch
title: Sorex araneus - 72485, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1968-04-03, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/xqq3yv
title: Sorex araneus - 106394, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-07-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/ycycqu
title: Sorex araneus - 113523, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1974-07-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/fahwwm
title: Sorex araneus - 2389, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-07-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/kudbxw
title: Sorex araneus - 66572, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1967-10-25, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/gw75n7
title: Sorex araneus - 150845, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1985-07-31, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/stxe6c
title: Sorex araneus - 99209, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1971-09-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/2asibu
title: Sorex araneus - 8833, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-06-13, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/bfgz8q
title: Sorex araneus - 40244, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1964-09-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/p3affb
title: Sorex araneus - 13896, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-09-11, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/1h5rxm
title: Sorex araneus - 22297, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1959-06-17, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/guwhja
title: Sorex araneus - 13325, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-09-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/0se9l4
title: Sorex araneus - 12032, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-07-30, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/emogcr
title: Sorex araneus - 4194, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-04-02, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vo8svc
title: Sorex araneus - 52089, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-06-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hn1101
title: Sorex araneus - 25701, 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/ct7uiy
title: Sorex araneus - 16962, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1956-07-08, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/8miq6n
title: Sorex araneus - 115253, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1974-09-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hsdnrh
title: Sorex araneus - 12867, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-08-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/p6umex
title: Sorex araneus - 106725, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1972-07-24, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/g6jdhr
title: Sorex araneus - 5285, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-18, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/lgyelr
title: Sorex araneus - 110671, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-08-23, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/uheabb
title: Sorex araneus - 110789, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-09-06, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/p6lekz
title: Sorex araneus - 5439, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-07-26, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/hr6jel
title: Sorex araneus - 25269, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1961-07-21, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/xxku1c
title: Sorex araneus - 1666, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1953-06-16, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/0nnm3a
title: Sorex araneus - 19777, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1958-01-25, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/qnc0yf
title: Sorex araneus - 6463, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1954-09-01, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/mksew4
title: Sorex araneus - 54345, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1966-09-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/iy5pzl
title: Sorex araneus - 15621, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1955-11-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/vwdrzl
title: Sorex araneus - 110127, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1973-06-07, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/cri0ay
title: Sorex araneus - 444, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1952-10-19, in: Białowieża National Park, Poland. Material type:
DOI: 10.48370/ofd/igiwcq
title: Sorex araneus - 26892, Zoological collection of the Mammal Research Institute, PAS

description: Sorex araneus (Common shrew) from Zoological collection of the Mammal Research Institute, PAS. Collected 1962-01-18, in: Białowieża National Park, Poland. Material type: