Eissler, M. <br/><br/>
The metallurgy of gold :  A practical treatise on the metallurgical treatment of gold-bearing ores including the assaying, melting, and refining of gold / 
By m. eissler 
 - 5 # ed, enl and re-arranged 
 - xxvi, 638 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oro--Metalurgia
<br/><br/><label>LC Class. No.: </label>TN670  / E57 1900