Ghatak A K <br/><br/>
Contemporary optics. 
Ghatak A K; Thyagarajan K 
 -  1981 
<br/><br/><label>Standard No.: </label>22745 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>C51, M1