Autor:	Baylis, John R., Smith, John C., Krasauskas, John W., Medbery, H. Christopher, Zufelt, Jerome C., Bailey, Albion A., Bean, Elwood L., Kerslake, James E., Nesin, Benjamin C., Black, A. P., Crabill, Marshall P., Griffin, Attmore E., Phillips, Robert S.
Zdroj:	Journal (American Water Works Association), 1957 Oct 01. 49(10), 1239-1278.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41255644 Zobrazit plný text záznamu Plný text