Singer, Jay R.  1921- <br/><br/>
Masers / 
J.R. Singer. 
 - New York :  Wiley,  c1959 [printing 1960] 
 - xi, 147 p. :  ill. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Masers.
<br/><br/><label>Dewey Class. No.: </label>621.381336  / SIM 1960