Group theoretical methods in physics :  Fourth International Colloquium, Nijmegen 1975 / 
edited by A. Janner, T. Janssen and M. Boon. 
 - Berlin :  Springer-Verlag,  1976. 
 - xiii, 627 p. ;  25 cm. 
 - Lecture notes in physics  vol. 50. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0387077898 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory--Congresses.<br/>Mathematical physics--Congresses.