Johnson, Donovan A. <br/><br/>
Topology :  the rubber-sheet geometry / 
by Donovan A. Johnson and William H. Glenn. 
 - New York :  Webster Division,  1960. 
 - 40 p. :  ill. ;  23 cm. 
 - Exploring Mathematics on Your Own. .
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology.