00354nam a2200121Ia 450000500170000000800410001702000150005805000150007310000140008824500570010226000290015965000440018820251229190936.0251229s9999    xx            000 0 und d  a0029497809  aQK 725 .H2  aSharp W R 0aHandbook of plant cell culture crop speciescR Sharp  aLondonb macmillanc1984  aTechniques For Propagation And Breeding