00532nam a2200169Ia 4500008004100000020001500041082001600056100001900072245010400091250000600195260003500201300000800236650004100244650003400285653002700319700001600346170901s1999    xx            000 0 und d  a8186321152  a631.3bM59P  aMichael, A. M. 0aPrinciples of Agricultural EngineeringbSurveying, Irrigation, Drainage Soil And Water Conservation  a3  aNew DelhibJain Brothersc1999  a888  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural machinery  aOjha, T. P.