Observations of the Earth's Resources [and Discussion]

Autor:	Cole, Monica M., Steines, L. W.
Zdroj:	Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, 1969 Jan 01. 308(1493), 173-182.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/2416120 Zobrazit plný text záznamu