TY  - BOOK
AU  - Kraak, Menno-Jan  .
TI  - Cartography: visualization of geospatial data / 
SN  - 81-297-0219-3
U1  - U11 
PY  - 1996///
CY  - Delhi : 
PB  - Pearson Education(Singapore) Pte. Ltd. , 
KW  - Geography
ER  -