00511nam a2200133Ia 4500008004100000082004400041100009000085245007400175260002700249300001500276490005200291600001900343650001500362140224s9999    xx            000 0 und d  a631.67(252+1-77) 1978.12.2/4 (082.2) M0  aTraining workshop on water management for arid regions. Cairo, Egypt, Dec.2-14, 1978.  aWater management for arid lands in developing countries; proceedings.  aOxfordbPergamonc1980  aviii,252p.  aWater Development Supply and Management, vol.13  aK. Asil Biswas  aIrrigation