Excitons at high density / 
edited by H. Haken and S. Nikitine 
 - Berlin :  Springer-Verlag,  1975 
 - 303 p. :  ill. ;  24 cm. 
 - Springer tracts in modern physics ;  v. 73 .
<br/><br/> Caption title 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>3540069437 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exciton theory