00519nam a2200181Ia 4500008004100000020001500041082001800056100002300074245003500097250000600132260005300138300000800191650004100199650003400240653002700274653001300301700002300314170901s1997    xx            000 0 und d  a8123905017  a631.372bL59T  aLlljedahi, John B. 0aTractors and Their Power Units  a1  aNew DelhibCBS Publishers and Distributorsc1997  a462  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural machinery  aTractors  aTurnquist, Paul K.