Rittershausen, Wilma <br/><br/>
A Step-by-step guide to growing and displaying orchids / 
Wilma Rittershausen, Gill and David Oakey.c 
 - Singapore :  Coombe Books,  c1993. 
 - 124 p. : ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>086283998X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchid culture.<br/>Orchids.