Proceedings. 

 - New York :  United Nations,  1970. 
 - Mineral resources development series, no. 38 [United Nations. Document] E/CN.11/993 .
 - United Nations. Economic Commission for Asia and the Far East. Mineral resources development series ;  United Nations. Economic Commission for Asia and the Far East. Mineral resources development series ;  United Nations. Economic Commission for Asia and the Far East. Mineral resources development series ;  no. 38. .
 - Document (United Nations) ;  E/CN.11/993. .
<br/><br/> "United Nations publication. Sales number: E.72.II.F.2." 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>LCCN: </label>73170527 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geochemical prospecting -- Congresses.--Geochemical prospecting -- Congresses.
<br/><br/><label>LC Class. No.: </label>JX1977  / .A2 E/CN.11/993 
<br/><br/><label>Dewey Class. No.: </label>622/.1