Colloquium on Geometries and Groups, Berlin, May 1981 <br/><br/>
Geometries and groups  ; proceedings / 

 - Berlin:  Springer-Verlag,  1981 
 - x, 250p. 
 - Lecture notes in Mathematics  893 .
<br/><br/><label>Dewey Class. No.: </label>516  / C714.GG