Textbooks on hydrology : analyses and synoptic tables of contents of selected textbooks - Paris : UNESCO, 1970 - 185 p. - Technical papers in Hydrology ; 6 . - Technical papers in Hydrology ; 6 . LCCN: 46029 Subjects--Topical Terms: Hidrología--Bibliografía. Dewey Class. No.: 551.49 / U5