WINTER BIRD CENSUSES OF AN OAK-PINE FOREST IN NORTH-WEST GERMANY, A METHODOLOGICAL STUDY

Autor:	Oelke, Hans, Schierer, Jürgen, Winkelmann, Werner
Zdroj:	Bulletins from the Ecological Research Committee/NFR, 1970 Jan 01(9), 40-46.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/45401921 Zobrazit plný text záznamu