Sanjines, Carlos <br/><br/>
Mineral resources of Bolivia :   mining industry and mining regulations. How to reach the country from San Francisco /   Folleto 
Carlos Sanjinés. 
 - San Francisco, California, USA :  Mining and Scientific Press,  1912. 
 - 8 p. ;  21 cm. 
<br/><br/> Catalogación preliminar.