Langhans, Robert W. <br/><br/>
Greenhouse management  : a guide to structures, environmental control, materials handling 

 - Ithaca, N.Y. :  Halcyon,  1980 
 - 239 p.  : ilus. 
<br/><br/><label>LCCN: </label>28284 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invernaderos.
<br/><br/><label>Dewey Class. No.: </label>631.34  / L3