Robert C. Oelhaf <br/><br/>
Organic Agriculture 

 - Montclair  Allanheld, Osmun & Co Publishers Inc  1978 
 - 271p 
<br/><br/>Robert C. Oelhaf: Organic Agriculture.  Montclair.  Allanheld, Osmun & Co Publishers Inc, 1978. 0470-26427-6--(338.16OEL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0470-26427-6 
<br/><br/><label>Dewey Class. No.: </label>338.16  / OEL