A comparison of different methods in censusing the hazel grouse

Autor: Pakkala, Timo, Tiainen, Juha, Lindén, Harto, Piiroinen, Jarmo, Vickholm, Markku, Virolainen, Erkki
Zdroj: Annales Zoologici Fennici, 1983 Jan 01. 20(1), 25-29.
Databáze: JSTOR Journals