PRIESTER, MICHAEL Y OTRO <br/><br/>
SMALL-SCALE GOLD-MINING 

 - 0 
 - FEDERAL REPUBLIC OF G.  VIEWEG  1992 
 - 96 pag  24 cm 
 - 0  0 .
<br/><br/>MINING-GOLD 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS PURAS
<br/><br/><label>Dewey Class. No.: </label>549.23  / P86