Allen, L.  1935- <br/><br/>
Essentials of lasers / 
by L. Allen. 
 - Oxford :  Pergamon Press,  1969. 
 - ix, 233 p. :  ill. ;  21 cm. 
<br/><br/>Includes index and bibliographical references. 
<br/><br/><label>ISBN: </label>0080133207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lasers.