Leinwoll, Stanley <br/><br/>
Understanding lasers and masers / 
Stanley Leinwoll 
 - London :  Iliffe Books,  1965 
 - viii, 87 p. :  ill., ports ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lasers<br/>Masers