Middleton, L R <br/><br/>
Textbook of light 

 - 2 
 -  G Bell & Sons Ltd., London  1945 
 - 287 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light & paraphotic phenomena (Optics); Physics
<br/><br/><label>Dewey Class. No.: </label>535  MID-T2