Betekhtin, A.  <br/><br/>
A course of mineralogy / 
A. Betekhtin ; translated by V. Agol. 
 - Moscow :  peace,    1966. 
 - 643 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>343  343 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy.
<br/><br/><label>Dewey Class. No.: </label>549 / B466c