Hog-Angeloni, Cynthia and Others  eds. <br/><br/>
Two dimensional homotopy and combinatorial group theory   
Ed. by Cynthia Hog-Angeloni, Wolfgang Metzler and Allan J. Sieradski. 
 - Cambridge  Cambridge University Press  1993 
 - xi, 412p. Index, Bibl. 
 - London Mathematical Society lecture note series ; v.197 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>514  / H714.TD