Engineering and mining journal. 

 - volumen 
 - Mensual 
 - 1866- 
<br/><br/> No reclamar, no la donan ref: oct/91.  Rev. don. no vigente BC 
<br/><br/><label>ISSN: </label>0095-8948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingenierķa de minas.
<br/><br/><label>Dewey Class. No.: </label>E