Proceedings of the Tenth World Orchid Conference 11-17 September, 1981 Durban South Africa / 
editors Joyce Stewart and C.N. van der Merwe. 
 - 324 pages, 36 col. plates ;  30 cm. 
<br/><br/><label>ISBN: </label>0620059052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Congresses.<br/>Orchid culture--Congresses.