Bechtel, Helmut. <br/><br/>
The manual of cultivated orchid species 

 - Cambridge :  MIT,  1981 
 - 444 p.  : ilus. ; láms. 
<br/><br/><label>LCCN: </label>13686 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Orquidáceas.
<br/><br/><label>Dewey Class. No.: </label>584.15  / B4