TY  - BOOK
AU  - Dent,Borden D.
TI  - Cartography: thematic map design 
SN  - 0697384950 (acid-free paper)
PY  - 1999///
CY  - Boston, Mass.
PB  - WCB/McGraw-Hill
KW  - Cartography
KW  - Thematic maps
N1  - Includes bibliographical references and index
ER  -