Ingestion of Lead and Nontoxic Shotgun Pellets by Ducks in the Mississippi Flyway

Autor:	Anderson, William L., Havera, Stephen P., Zercher, Bradley W.
Zdroj:	The Journal of Wildlife Management, 2000 Jul 01. 64(3), 848-857.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3802755 Zobrazit plný text záznamu