00453nam a2200157Ia 4500008004100000020001500041082001700056100002100073245003100094260004500125300000800170650004100178650003400219653002000253700002200273170901s1977    xx            000 0 und d  a0471825565  a631.37bS83M  aStone, Archie. A 0aMachines for Power Farming  aNew YarkbJohn Wiley and Sons, Incc1977  a533  aAgriculture and related technologies  aTechnology (Applied sciences)  aPower machinery  aGulvin, Harold. E