00442nam a2200133Ia 4500008004100000082003600041100006500077245002700142260002500169300001500194490003400209600004900243650001600292140224s9999    xx            000 0 und d  a633.1 1982 .09.14/16 (082.2) M3  aSymposium on Better Crops for Food, Ciba Foundation, London.  aBetter crops for food.  aLondonbPitmanc1983  aviii,248p.  aCiba Foundation Symposium; 97  aEdited  Jonathan Nugent and Maeve O' Connor.  aAgriculture