00692nam a2200121Ia 4500008004100000082002300041100002000064245014700084260003900231365000600270630014700276730014700423100415s9999    xx            000 0 und d  b9885a574.9095(54)  aGupta  SK (ed.)  aStudy and Management of Water Resources in Arid and Semi-Arid Region : Symposium held at Physical Research Laboratory Ahmedbad 5-8 April, 1978  aNEW DELHIc1979bTODAY & TOMORROWS  b0  aStudy and Management of Water Resources in Arid and Semi-Arid Region : Symposium held at Physical Research Laboratory Ahmedbad 5-8 April, 1978  aStudy and Management of Water Resources in Arid and Semi-Arid Region : Symposium held at Physical Research Laboratory Ahmedbad 5-8 April, 1978