Proceedings of the 13th World Orchid Conference 1990 ... (held on 11th Sept, 1990). 

 - Auckland :  World Orchid Conference Trust,  1990 
 - 336 p. :   ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0473012987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchids--Congresses<br/>Orchid culture--Congresses<br/>Orchids--Pictorial works