Steen, Lynn Arthur,  1941- <br/><br/>
Counterexamples in topology / 
Lynn Arthur Steen, J. Arthur Seebach, Jr. 
 - 2nd ed. 
 - New York :  Springer-Verlag,  1978. 
 - xi, 244 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliogr.: p. 228-235. 
<br/><br/><label>ISBN: </label>0387903127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topological spaces