MASSER.I <br/><br/>
Inter-regional migration in tropical africa./ 
I.masse and W..S Gould 
 - London,  institute of british geographes,  c1975. 
 - iv,107p.  ill.; 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>301.32 6