Henle, Michel <br/><br/>
A Combinatorial Introduction to Topology 
/ by Michel Henle 
 - San Francisco;  W.H. Freeman and Company:  1979. 
 - xiv, 310p. 
<br/><br/><label>ISBN: </label>0716700832 
<br/><br/><label>Dewey Class. No.: </label>514.2  / HEN/A