00552nam a2200193Ia 4500008004100000020001500041082001800056100002400074245003500098250000600133260005300139300000800192650004100200650003400241653002700275653001300302700002000315700002300335170901s1997    xx            000 0 und d  a8123905017  a631.372bL59T  aLilijedahl, John. B 0aTractors and Their Power Units  a1  aNew DelhibCBS Publishers and Distributorsc1997  a463  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural machinery  aTractors  aSmith, David. W  aTurnquist, Paul. K