00518nam a2200133Ia 4500008004100000082002000041100005500061245006900116260006400185300000800249942000700257952010300264999001700367140113s9999    xx            000 0 und d  a016:631.67   L3  aUnited States Water Resource Research (Office of-)  aIrrigation efficiency : A Bibliography (WRSIC 73-74. PB 220 349)  a1973bWater Resources Scientific Informn.CentrecWashington  a419  cBK  00104070aVTLbVTLd2014-01-13l0o016:631.67   L3pVBK2480r2014-01-13 00:00:00w2014-01-13yBK  c59161d59161