00401nam a2200145Ia 4500008004100000082001700041100002100058245005100079260004600130300000800176650002300184650001800207653001900225653001100244170901s1970    xx            000 0 und d  a581.15bS60P  aSolbrig, Otto T. 0aPrinciples and Methods of Plant Biosystematics  aLondonbMacmillan Co. of India Ltd.c1970  a226  aBotanical sciences  aPure Sciences  aClassification  aPlants