| Citation | DeMaster, D.P. and I. Stirling 1981 Ursus maritimus. Mammalian Species no. 145, pp. 1-7, 3 figs. Published 8 May 1981 by The American Society of Mammalogists. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 81153 |
| Language | English |
| Usage | used in part |
| Remarks | |
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