found
:
Ovsyanikov, N. Polar bears, 1996:
CIP galley (polar bear, Ursus maritimus)
found
:
Mam. sp. world, c1993:
p. 339 (Ursus maritimus; syn.: eogroenlandicus Knotterus-Meyer, groenlandicu Birula, jenaensis Knotterus-Meyer, labradorensis Knotterus-Meyer, marinus Pallas, polaris Shaw, spitzbergensis Knotterus-Meyer, ungavensis Knotterus-Meyer)
found
:
Walker mam. world, 1991:
p. 1086 (Ursus maritimus, polar bear)
found
:
Web. 3
(polar bear; Thalarctos maritimus or Ursus maritimus)