Gregory, Ian N. <br/><br/>
Historical GIS  Technologies, Methodologies, and Scholarship /  [electronic resource] : 
Ian N. Gregory, Paul S. Ell. 
 - Cambridge :  Cambridge University Press,  2007 
 - 1 online resource (240 p.) 
 - Cambridge Studies in Historical Geography  no. 39 .
<br/><br/><label>ISBN: </label>9780511493645 (ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historical geographic information systems.<br/>Historical geography--Methodology.