Ditchburn, R. W.  <br/><br/>
Light 

 - London  The English Language Book Society  n.d. 
 - 833 
<br/><br/> With illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light<br/>Physics
<br/><br/><label>Dewey Class. No.: </label>535  / D634l