edited by Heidelberg,A. Dold <br/><br/>
Lecture notes in mathematics  a collection of infromal reports and seminars 

 - Berlin  springer-verlag  1971 
 - vi,230 p. 
<br/><br/> Incudes bibliographical references 
<br/><br/><label>ISBN: </label>3540053697 
<br/><br/><label>Dewey Class. No.: </label>RR B33 L1