Brillouin, Leon, 1889- <br/><br/>
Wave propagation and group velocity 

 - New York  Academic Press  1960 
 - 154 p. : ill. ; 24 cm. 
 - Pure and applied physics, v.8. .
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>59-013829 /L/r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wave mechanics<br/>Wave motion, Theory of