Zubkov, V. <br/><br/>
General petrography :  a short course / 
V. Zubkov. 
 - Moscow :  Mir,  1967. 
 - 227 p. 
<br/><br/>Index.: p. 225 - 228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrography
<br/><br/><label>Subjects--Index Terms: </label>concepts concerning petrography and rocks  the elemens of crystal optics