TY  - BOOK
AU  - Robinson,Arthur Howard
AU  - Petchenik,Barbara Bartz
TI  - The nature of maps: essays toward understanding maps and mapping 
SN  - 0226722813
PY  - 1976///
CY  - Chicago
PB  - University of Chicago Press
KW  - Cartography
KW  - Maps
N1  - Includes index
ER  -