00405nam a2200157Ia 4500008004100000020001500041082001400056100002200070245001500092250000600107260004100113300000800154650004100162650003400203653001000237170901s1979    xx            000 0 und d  a0852360967  a633bB64F  aBoatfield, Graham 0aFarm Crops  a1  aEnglandbFarming Press Limitedc1979  a141  aAgriculture and related technologies  aTechnology (Applied sciences)  aCrops