Rodda.J.C. Downing.R.A. Law.F.M. Systematic Hydrology - Newnes-Butterworths London 1976 - 399p. ILL.,Cht.,Fig and Table ISBN: 0-408-00234-4 Nat. Bib. No.: 5315 Subjects--Topical Terms: Earth Sciences & Geology Universal Decimal Class. No.: 551.48 / ROD