00331nam a2200109Ia 4500008004100000082001500041100001100056245005700067260003900124300001600163650004200179140113s9999 xx 000 0 und d a633:641 M3 aPitman aBetter Crops for food - Ciba Foundation Symposium 97 b"London : Pitman publishing, 1983" aVIII; 248P; aAgricultural crops ; Domestic Science