Pritchard, H. W. <br/><br/>
Modern methods in orchid conservation :  the role of physiology, ecology and management / 
H. W. Pritchard. 
 - Cambridge :  Cambridge University Press,  c1989. 
 - 169 p. : ill. ; 22 cm. 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521372941 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orchid culture.<br/>Orchids.