Systematics of the vipers of the Caucasus: Polymorphism or sibling species?

Göran Nilson
Boris S Tuniyev
Nikolai Orlov
Mats Hoggren
Claes Andrén

Published in Asiatic Herpetological Research, in 1995, in volume 6, pages 1-26

Date published:1995

BHL: 2788651
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