Wulf, Theodor, Smith, C J <br/><br/>
Modern physics: A general survey of its principles 

 -  Methuen & Co. Ltd., London  1930 
 - 469 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modern physics
<br/><br/><label>Dewey Class. No.: </label>PG 539  WUL-M