Smedema, L.K. Vlotman, W.F. Rycroft, D.W. Modern Land Drainage: planning, design and management of agricultual drainage sy - Leiden A.A. Balkema Pub. 2004 - x, 446 pages Include index ISBN: 9058095541 Subjects--Topical Terms: Drainage Dewey Class. No.: 631.62 / SME