Francis, George K.  1939- <br/><br/>
A topological picturebook 
George K. Francis 
 - XV, 194 S  zahlr. Ill., graph. Darst 
<br/><br/><label>ISBN: </label>0387964266 3540964266 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology--Graphic methods
<br/><br/><label>Dewey Class. No.: </label>514