Note on the coloration and taxonomical status of the bear (Ursus arctos L., 1758) in Bulgaria
Spassov, Nikolaï
Article
1990
Historia naturalis bulgarica
2
64--66
BioStor
Bulgarian
Sofiia, Bulgarska akademiia na naukite, c1989-
BioStor: https://biostor.org/reference/192145
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