Studies in Sheep Population and Environment in the Mountains of North-West Wales I. The Status of the Sheep in the Mountains of North Wales Since Mediaeval Times

Autor:	Hughes, R. Elfyn, Dale, J., Williams, I. Ellis, Rees, D. I.
Zdroj:	Journal of Applied Ecology, 1973 Apr 01. 10(1), 113-132.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2404720 Zobrazit plný text záznamu