Ditchburn, R W <br/><br/>
Light / 
Ditchburn, R W 
 -  English Language Book Society, England,  1963 
 - p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0122181018 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light & paraphotic phenomena (Optics); Physics
<br/><br/><label>Dewey Class. No.: </label>535 DIT-L2