00509nam a2200169Ia 4500008004100000082001700041100001600058245004300074250000600117260005000123300000800173650003800181650003400219653002700253653003500280700002400315170901s1984    xx            000 0 und d  a627.52bP93I  aPunmia, B.C 0aIrrigation and Water Power Engineering  a8  aDelhibStandard Publishers Distributorsc1984  a878  aEngineering and allied operations  aTechnology (Applied sciences)  aIrrigation engineering  aWater conservation engineering  aLal Pande Brij Basi