Ditchburn, R. W. <br/><br/>
Light 
R. W. Ditchburn 
 - London  Blackie  1961 
 - 680 P. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIGHT
<br/><br/><label>Dewey Class. No.: </label>535.1  / DIT