Richards, Paul. <br/><br/>
Indigenous agricultural revolution  : ecology and food production in west Africa 

 - London :  Hutchinson,  1985 
 - 192 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>48239 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--Africa--Africa.<br/>Agricultura--Innovaciones tecnológicas.<br/>Ecología agrícola.
<br/><br/><label>Dewey Class. No.: </label>630.215  / R5