00388nam a2200133Ia 4500008004100000082001500041100001800056245004300074260003500117300001100152600003300163600002900196650002900225140224s9999    xx            000 0 und d  a63:62 K6.2  aMichael, A.M.  aPrinciples of agricultural engineering  aJodhpurbJain brotherscc 1966  a2v(v1)  a A.M.Michael (and) T.P.Ojha.  aOjha, T.P., joint author  aAgricultural engineering