TY  - BOOK
AU  - Rana Sanjay Ed.
TI  - Topological data structures for surfaces:  An intro   
SN  - 0470851511
U1  - U18:(D6,9(B), P4 
PY  - 2004///
CY  - New York
PB  - John Wiley USA       
KW  - Geography
ER  -