TY  - BOOK
AU  - Kraak, M J,
AU  - Ormeling, Ferjan,
TI  - Cartography : Visualization of Geospatial Data
SN  - 8129702193
U1  - 526 
PY  - 2004///
CY  - New Delhi
PB  - Pearson Education Inc.
KW  - Mathematical geography
ER  -