00453nam a2200121Ia 4500008004100000082004600041100006500087245005400152260002500206300001000231490005500241650003500296140224s9999    xx            000 0 und d  a578.085.23.58(510) 1978.5.25/30(082.2) M1  aSymposium on plant tissue culture.Peking, 8th May 25/30,1978  aProceedings of symposium on plant tissue culture.  aBostonbPitmanc1981  a532p.  aThe pitman international series in applied biology  aBiotechnology,Micropropagation