Clarke.R.T. Mathematical Models in Hydrology - Food and Agriculture Organization of the United Nations. Rome 1984 - 282p. Cht.,Fig and Table - FAO Irrigation And Drainage Paper 19 . ISBN: 92-5-100641-5 Nat. Bib. No.: 6716 Subjects--Topical Terms: Mathematics Universal Decimal Class. No.: 519.2 / CLA