Allen, L.  1935- <br/><br/>
Principles of gas lasers / 
by L. Allen and D. G. C. Jones. 
 - London:  Butterworths,  1967. 
 - ix, 158 p. :  ill., ;  22 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas lasers.