Sutulov, Alexander <br/><br/>
Copper porphyries 
Alexander Sutulov 
 - San Francisco  M. Freeman Publications  1975 
 - 206 p.  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copper ores<br/>Porphyry
<br/><br/><label>Dewey Class. No.: </label>669  / .3