Edwards, David A. <br/><br/>
Cech and Steenrod homotopy  ; theories with application ot Geometric topology / 

 - Berlin:  Springer-Verlag,  1976 
 - vii, 296p. 
 - Lecture notes in Mathematics   542 .
<br/><br/><label>Dewey Class. No.: </label>514  / Ed26.CS