00471nam a2200169Ia 4500008004100000020001500041082001600056100001700072245003900089250001200128260003300140300001000173650004100183650003400224653002900258700001400287170901s1993    xx            000 0 und d  a8185421153  a631.3bG28P  aGhosh, R. K. 0aPractical Agricultural Engineering  a1 and 2  aCalcuttabNaya Prokashc1993  aMisc.  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural engineering  aSwain, S.