00441nam a2200181Ia 4500008004100000020001500041041000800056082001900064100001600083245003000099260004800129300000800177365001300185650001600198650001800214650001400232700001300246140306s9999    xx            000 0 und d  a0521226589  aeng  a338.16bBAR/FA  aBarnard, CS  aFarm planning and control  aCambridgebCambridge University Pressc1979  a600  bUKP.8.95  aEnterprices  aGreat britain  aResources  aNix, J S