00397nam a2200133Ia 4500008004100000082001700041100002600058245002700084260004500111300000800156650003800164650003400202653002700236170901s1973    xx            000 0 und d  a627.52bA94S  aAwashthi, Satynarayan 0aIrrigation Engineering  aBhopalbM. P. Hindi Granth Academyc1973  a328  aEngineering and allied operations  aTechnology (Applied sciences)  aIrrigation engineering