Text this: Symposium on In Vitro Problems Related to Mass Propagation of Horticultural Plants : a symposium in the C.E.C. Programme for the Coordination of Agricultural Research, Gembloux, Belgium, 16-20 September 1985 / conveners [and editors], P. Boxus, P.E. Read, F. O'Riordain ; sponsored by Commission of the European Communities, Directorate-General for Agriculture, Coordination of Agricultural Research, ISHS Section of Ornamental Plants.