16th Congress on Irrigation and Drainage-Egypt 1996. Sustainability of Irrigated Agriculture - International Commission on Irrigation and Drainage New Delhi 1996 - 340p. Cht.,Fig and Table - Volume- 1-C Question 47 . ISBN: 81-85068-51-8 Nat. Bib. No.: 6050 Subjects--Topical Terms: Engineering Universal Decimal Class. No.: 626.31 / CON