Sheehan, Thomas John. <br/><br/>
Orchid genera illustrated 

 - New York :  Van Nostradand,  1979 
 - 207 p.  : ilus. 
<br/><br/><label>LCCN: </label>56036 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orquidáceas.
<br/><br/><label>Dewey Class. No.: </label>584.15  / S44