TY  - BOOK
AU  - Francis, George K.
TI  - A topological picturebook
SN  - 9780387345420
U1  - 514 FRA 
PY  - 2007///
CY  - New York 
PB  - : Springer, 
KW  - Mathematics
KW  - , Topology
KW  - , Topology--Graphic methods	
KW  - , Francis, George K
KW  - , and A topological picturebook
ER  -