Review of the grizzly and big brown bears of North America : (genus Ursus) with description of a new genus, Vetularctos /
| Hlavní autor: | |
|---|---|
| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
Washington :
Government Printing Office,
1918.
|
| Edice: |
North American Fauna ;
No. 41. |
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