TY  - BOOK
AU  - Maceachren , Alan M
TI  - How maps work:  reprentation , visualization and  design 
SN  - 0 89862 589 0
U1  - 526 
PY  - 1995///
CY  - NewYork
PB  - The Gullford Press
KW  - Geography -
KW  - Mathametical geography -
N1  - Includes bibliographical references and index
ER  -