Clark, George L <br/><br/>
Applied x-rays 

 - 4 
 -  McGraw-Hill Book Company, New York  1955 
 - 843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modern physics
<br/><br/><label>Dewey Class. No.: </label>PG 539  CLA-A4