00609nam a2200205Ia 4500008004100000082001600041100002000057245002800077250000600105260003700111300000800148650004100156650003400197653001300231653001500244700002300259942001200282999001700294952009200311170901s1977    xx            000 0 und d  a631.7bS48I  aSivanappan, R.K 0aIrrigation and Drainage  a1  aMadrasbPopular Book Depotc1977  a301  aAgriculture and related technologies  aTechnology (Applied sciences)  aDrainage  aIrrigation  aGowder, K.R. Karai  2ddccBK  c14123d14123  00102ddc4070aRAUbRAUd2017-10-18l0o631.7 S48Ip24028r2017-10-18w2017-10-18yBK