Butt, C. R. M. <br/><br/>
Geological exploration, 1976 
C. R. M. Butt 
 - Amsterdam  Elsevier  1977 
 - 494p.  24cm. 
 - Developments in Economic Geology; 9 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemical prospecting<br/>Congress
<br/><br/><label>LC Class. No.: </label>TN270.I63