00425nam a2200145Ia 4500008004100000020001500041082001600056100001700072245004100089260003700130300000800167650004100175650003400216653002900250170901s2001    xx            000 0 und d  a0470920768  a631.3bS48F  aSinghal, O.P 0aElements of Agricultural Engineering  aAllahabadbSaroj Prakashanc2001  a140  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural engineering