Craig, David Parker,  1919- <br/><br/>
Excitons in molecular crystals :  theory and applications / 
D. P. Craig and S. H. Walmsley 
 - New York :  W. A. Benjamin,  1968 
 - xi, 172 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exciton theory<br/>Crystals