TY  - BOOK
AU  - Foresman, Timothy W. ed.
TI  - History of geographic information systems: Perspectives from the pioneers
T2  - P.H Series in geographic information science
SN  - 0138621454
U1  - 025.0691 
PY  - 1998///
CY  - New Jersy
PB  - P.H
ER  -