Troup, Gordon John Fordyce. <br/><br/>
Masers and lasers  molecular amplification and oscillation by stimulated emission. 

 - London  Methuen  1963. 
 - viii, 192 p. : ill. ; 18 cm. 
<br/><br/> 'Cat. no. (Methuen) 2/4072/11.' 
<br/><br/>Bibliography: p. 165-166. Bibliographical references: p. 167-173. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Masers.<br/>Lasers.