GURTU (J N) and RAZDAN (S). <br/><br/>
Crystalline state. Rev. Ed.3. 

 - 
 - Meerut  Pragati Prakashan  1970 
 - 64 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystals
<br/><br/><label>Dewey Class. No.: </label>548 GURC