N K, Sethi <br/><br/>
Text Book Of Opitcs 3rd Dn 

 - Delhi  Premier Publications  1958 
 - 436p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Opitcs --Physics--MechanicsPhysicsScience
<br/><br/><label>Dewey Class. No.: </label>535.2  / SET-N