00425nam a2200157Ia 4500008004100000020001500041082001900056100002500075245004300100260004800143300000800191650002300199650001800222653001600240653001100256170901s1971    xx            000 0 und d  a0713122870  a581.8732bS70C  aStebbins, G. Ledyard 0aChromosomal Evolution in Higher Plants  aLondonbAddison-Wesley Publishing Co.c1971  a216  aBotanical sciences  aPure Sciences  aChromosomes  aPlants