Walker, John N. <br/><br/>
Greenhouse structures 

 - Lexington :  University of Kentycky College of Agriculture Cooperative Extension Service,  (198?) 
 - 11 p.  : ilus. 
<br/><br/> Fotocopia 
<br/><br/><label>LCCN: </label>51131 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invernaderos.