Weischet,Wplfgang <br/><br/>
The Persisting Ecological Constraints of Tropical Agriculture 

 - New York  Longman Scietific and Technical  1993 
<br/><br/><label>ISBN: </label>0-582-05692-6 
<br/><br/><label>LC Class. No.: </label>630.913/WEI  / 1 
<br/><br/><label>Dewey Class. No.: </label>630.913/WEI  / 1