R.W. Widdowson <br/><br/>
Towards holistic agriculture : A scientific approach 

 - Oxford  Pergamon Press  1987 
 - 187p 
<br/><br/>R.W. Widdowson: Towards holistic agriculture : A scientific approach.  Oxford.  Pergamon Press, 1987. 0-08-034211-6--(631.584WID)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-08-034211-6 
<br/><br/><label>Dewey Class. No.: </label>631.584  / WID