Aldrich, Robert A. <br/><br/>
Greenhouse engineering / 
written by: Robert A. Aldrich and John W. Bartok 
 - Itahca, N.Y. :  Northeast Regional Agricultural Engineering Service,  1994 
 - 212 p. :  ill. ;  28 cm. 
<br/><br/> 3rd revision 
<br/><br/><label>ISBN: </label> RM72.36 
<br/><br/><label>Subjects--Personal Names: </label><br/>Greenhouses--Environmental engineering
<br/><br/><label>Subjects--Topical Terms: </label><br/>Greenhouses Heating and ventilation<br/>Greenhouses--Energy conservation