00362nam a2200157Ia 4500008004100000041001200041082001000053082001100063100001400074100001100088245002800099260001400127260002300141365002500164650001500189150901s9999    xx            000 0 und d  aEnglish  a631.7  bLEN/IR  aLenka D    eAuthor  aIrrigation and drainage  aNew Delhi  bKalyani Publishers  aRs.210                aIrrigation