Science: A third level course, earth science topics and methods-porphyry copper case study 

 - Milton Keynes  Open University Press  1976 
 - 80p. 
<br/><br/><label>ISBN: </label> UKP 2.50 
<br/><br/><label>Source: </label> UKP 2.50 
<br/><br/><label>Dewey Class. No.: </label>551 SCI