TY  - BOOK
AU  - Keates,J.S.
TI  - Understanding maps
SN  - 0582239273
PY  - 1982///
CY  - England
PB  - Addison Wesley Longman Limited
KW  - Maps
KW  - Visual perception
N1  - "A Halsted Press book."; Includes bibliographical references and index
ER  -