Whiteman, P. T. S. <br/><br/>
Limitations to crop production in the Kalahari :   conference on sustained production from semi-arid areas with particular reference to Botswana 
P. T. S. Whiteman 
 - Gaborone :  Botswana Society,  1971. 
 - 4p.  ill. ;  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop production
<br/><br/><label>LC Class. No.: </label>FOS W58.L5