Barr, Stephen. <br/><br/>
Experiments in topology /  
[by] Stephen Barr 
 - New York :    Crowell,    [1964] 
 - 210 p. :    ill. ;    21 cm. 
<br/><br/>  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Topology.
<br/><br/><label>Dewey Class. No.: </label>513.83