Klein, H Arthur. <br/><br/>
Masers and lasers. 
Helen Hale, editorial consultant; Frank Aloise, illustrator. 
 - Philadelphia  Lippincott  1963. 
 - 184p  illus. 
<br/><br/> Includes index. 
<br/><br/><label>LCCN: </label>CCC89258561  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lasers<br/>Masers
<br/><br/><label>Dewey Class. No.: </label>621.381