Energy Content and Retention by Ragweed and Sunflower Seeds during Fall and Winter

Autor:	Robel, Robert J., Harper, William R.
Zdroj:	Transactions of the Kansas Academy of Science (1903-), 1965 Oct 01. 68(3), 401-405.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/3626583 Zobrazit plný text záznamu