@article{Gregory2002,
author = {Gregory, I. and Bennett, C. and Gilham, V.L. and Southall, H.},
title= {The Great Britain historical GIS: From maps to changing human geography},
year = {2002},
doi = {10.1179/caj.2002.39.1.37},
journal = {The Cartographic Journal},
volume = {39},
number = {1},
pages = {37−49},
}