00272nam a2200085Ia 4500008004100000100004000041245005700081260004000138300000800178140113s9999 xx 000 0 und d a"Frankel, O.H. & Hawkes, J.G., Ed." aCrop Genetic resources for today and tomorrow. IBP-2 a1975bCambridge Univ. PresscLondon a492