00511nam a2200169Ia 4500008004100000020001500041082001600056100002400072245004200096260005400138300000800192650004100200650003400241653002900275700001600304700002100320170901s1998    xx            000 0 und d  a8181890817  a631.3bJ51M  aJohnson, William M. 0aMachanical Technology in Agricultural  aLuchnowbInernational Book Distributing Co.c1998  a628  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural engineering  aHarper, Joe  aLawver, David E.