IFOAM. International Scientific Conference (5th: 1986: University of Kassel, Germany)   <br/><br/>
The importance of biological agriculture in a world of diminishing resources: proceedings  (Book) 

 - Witzenhausen  Verlagsgruppe Weiland  1986 
 - 448p.  20 cm. 
<br/><br/><label>ISBN: </label>392605901X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic farming--Congresses
<br/><br/><label>Universal Decimal Class. No.: </label>631.8 INT  / 7952