Kowal, Jan M. <br/><br/>
Agricultural ecology of savanna :  a study of West Africa / 
J. M. Kowal and A. H. Kassam. 
 - Oxford :  New York :  Clarendon Press ;  Oxford University Press,  1978. 
 - xi, 403 p. ; 
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0198594623 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology<br/>Savanna ecology
<br/><br/><label>LC Class. No.: </label>S472.W4  / K69