Problems of the Earth's Crust: A Discussion in Section E (Geography) of the British Association on 28 September 1931 in the Hall of the Society

Autor:	Mackinder, Halford, Hinks, Arthur R., Simpson, G. C., Poole, J. H. J., Gregory, J. W., Holmes, Arthur, Jeffreys, Harold
Zdroj:	The Geographical Journal, 1931 Nov 01. 78(5), 433-455.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1784853 Zobrazit plný text záznamu