Wingquist, Carl F. <br/><br/>
Electrothermal fracture of copper shale 
Wingquist, Carl F.; Lund, Robert A. 
 - Washington  Bureau of mines  1976 
 - 15 p. 
 - RI 8106 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>MINING
<br/><br/><label>Subjects--Index Terms: </label>MINERALES DE COBRE COPPER ORES 
<br/><br/><label>Universal Decimal Class. No.: </label>622