00486nam a2200133Ia 4500008004100000082002900041100002100070245009200091260002700183300001500210600004400225600004000269650004300309140224s9999    xx            000 0 und d  a578.085.23:631.53(02) M4  aGeorge, Edwin F.  aPlant propagation by tissue culture; handbook and directory of commercial laboratories.  aHantsbExegeticsc1984  aviii,709p.  a Edwin F.George and Paul D.Sherrington.  aSherrington, Paul. D., joint author  aPlant Tissue Culture,Plant Propagation