Distribution and Structure of Dens of Female Polar Bears in Wrangel Island

Autor:	Belikov, S. E.
Zdroj:	Bears: Their Biology and Management, 1980 Jan 01. 4, 117-117.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3872852 Zobrazit plný text záznamu