Scientific Geography: The Relation of Its Content to Its Subdivisions

Autor:	Tower, Walter S.
Zdroj:	Bulletin of the American Geographical Society, 1910 Jan 01. 42(11), 801-825.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/199630 Zobrazit plný text záznamu