Busschau, William John. <br/><br/>
The theory of gold supply  with special reference to the problems of the Witwatersrand. 

 - London  Oxford University Press, H. Milford  1936. 
 - x, 193 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gold mines and mining<br/>Gold<br/>Gold mines and mining--Transvaal-Witwatersrand.