Ecology and management of grazing systems 
edited by J. Hodgson and A.W. Illius 
 - U.K.  CAB International   c1996 
 - x466p.:fig.,tables;23cm. 
<br/><br/><label>ISBN: </label>0851991076 
<br/><br/><label>Dewey Class. No.: </label>333.74068  / HOD