Representative and Experimental basins : an international guide for research and practice / edited by C. Toebes and V. Ouryvaev. - Paris : UNESCO, c 1970. - 348 p. : ill. ; 25cm. Bibliography : p. 341-348. 314 314 Subjects--Topical Terms: Watersheds. Hydrology. Dewey Class. No.: 551.49 / U3r