Betekhtin A <br/><br/>
Course of mineralogy 

 - Moscow  Peace Publishers          1961 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>45800 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mineralogy<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1, K61;2