Report of the Sanitary Investigations of the Illinois River and Its Tributaries

Autor:	Whipple, G. C.
Zdroj:	Science, 1901 Oct . 14(356), 649-651.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1627930 Zobrazit plný text záznamu