00481nam a2200169Ia 4500008004100000082001600041100001800057245003300075250000600108260005300114300000800167650004100175650003400216653002700250700001600277700001800293170901s1978    xx            000 0 und d  a631.3bK47P  aKepner, R. A. 0aPrinciples of Farm Machinery  a3  aNew DelhibCBS Publishers and Distributorsc1978  a527  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural machinery  aBainer, Roy  aBarger, E. L.