Fred H.Croom <br/><br/>
Principles of Topology/ 
Croom,Fred H 
 - Philadelphia:  Saunders College Publishing,  1989. 
 - xi,312p. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780486801544 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology
<br/><br/><label>Dewey Class. No.: </label>514  / CRO/P