Van Rensburg, W.C.J. <br/><br/>
The economics of the world's mineral industries / 
W.C.J. van Rensburg, S.Bambrick 
 - Johannesburg:  McGraw-Hill,  1978 
 - 366p. 
<br/><br/><label>ISBN: </label>0070913595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--Economic aspects