Paul S. Ell, Ian N. Gregory. Adding a new Dimension to Historical Research with GIS. IJHAC, 13(1):1-6, 2001. [doi]
@article{EllG01, title = {Adding a new Dimension to Historical Research with GIS}, author = {Paul S. Ell and Ian N. Gregory}, year = {2001}, doi = {10.3366/hac.2001.13.1.1}, url = {http://dx.doi.org/10.3366/hac.2001.13.1.1}, researchr = {https://researchr.org/publication/EllG01}, cites = {0}, citedby = {0}, journal = {IJHAC}, volume = {13}, number = {1}, pages = {1-6}, }