Vasudeva, D. N. <br/><br/>
A textbook of light 

 - 4th 
 - Delhi  Atma Ram & Sons  1959 
 - 572 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics & Visible light
<br/><br/><label>Dewey Class. No.: </label>535  / V44T