TY  - BOOK
AU  - Gregory,Ian N.
AU  - Ell,Paul S.
TI  - Historical GIS: Technologies, Methodologies, and Scholarship 
SN  - 9780511493645 (ebook)
PY  - 2007///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Historical geographic information systems
KW  - Historical geography
KW  - Methodology
UR  - http://dx.doi.org/10.1017/CBO9780511493645
ER  -