Martens, H. E. <br/><br/>
The effect of tribal grazing patterns on the habitat in the Kalahari : conference on sustained production from semi-arid areas with particular reference to Botswana 

 - Gaborone  Botswana Society  1971 
 - 8p.  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tribal grazing
<br/><br/><label>LC Class. No.: </label>EAF M33.E3