TY  - BOOK
AU  - Dent,Borden D.
TI  - Cartography: thematic map design 
SN  - 0697135896
PY  - 1993///
CY  - Dubuque, IA
PB  - WM. C. Brown Publishers
KW  - Cartography
N1  - Includes index; Open access
ER  -