![E. F. George and P. D. Sherrington, Plant Propagation by Tissue Culture — Handbook and Directory of Commercial Laboratories. VIII + 709 S., 12 Abb., 40 Tab. Eversley, Basingstoke 1984. Exegetics Limited. £ 65.00. ISBN: 0-9509325-0-7]()
E. F. George and P. D. Sherrington, Plant Propagation by Tissue Culture — Handbook and Directory of Commercial Laboratories. VIII + 709 S., 12 Abb., 40 Tab. Eversley, Basingstoke 1984. Exegetics Limited. £ 65.00. ISBN: 0-9509325-0-7H.-P. Schmauder · 1985