Mathur, B.K. . <br/><br/>
Principles of Optics /  Textual Documents 
B.K. Mathur. 
 - 2nd ed. / 
 - Kanpur :  Gopal Printing Press ,  1964. 
 - 826p. :  ill ;  22cm . 
<br/><br/><label>Subjects--Index Terms: </label>Optics G-Physics 
<br/><br/><label>Dewey Class. No.: </label>535  / M 432 P