00278nam a2200097Ia 4500008004100000082002600041100002300067245004200090260004000132300000800172140113s9999    xx            000 0 und d  a581.1:633(048.1)   L5  a"Evans, L.T.. Ed."  aCrop Physiology : Some case histories  a1975bCambridge Univ. PresscLondon  a374