Major Objectives of Penck and of Davis in Geomorphic Studies

Autor:	Hubbard, George D.
Zdroj:	Annals of the Association of American Geographers, 1940 Dec 01. 30(4), 237-240.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2560881 Zobrazit plný text záznamu