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

 - 3ed. 
 - Ithaca, N.Y. :  Halcyon Press,  1990 
 - 274 p. 
<br/><br/><label>LCCN: </label>5674 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invernaderos.
<br/><br/><label>Dewey Class. No.: </label>631.34  / L3 1990