TY  - BOOK
AU  - Gregory,Ian N.
AU  - Ell,Paul S.
TI  - Historical GIS: technologies, methodologies, and scholarship 
SN  - 9780521855631(hardback)
U1  - 910/.285 
PY  - 2007///
CY  - New York
PB  - Cambridge University Press
KW  - Historical geographic information systems
KW  - Historical geography -- Methodology
KW  - Historical geography -- Data processing
N1  - Includes bibliographical references(p.[205]-  221) and index
UR  - http://www.loc.gov/catdir/enhancements/fy0729/2007032991-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy0729/2007032991-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy0729/2007032991-t.html
ER  -