Pimentel, David., ed. <br/><br/>
Handbook of energy utilization in agriculture /ed. by David Pimentel 

 - Boca Raton  CRC Press  1980 
 - 464p 
<br/><br/><label>ISBN: </label>0849326613 
<br/><br/><label>Dewey Class. No.: </label>631.371  / N80