1. A testing procedure for use in geodetic networks;Baarda;Netherlands Geodetic Commission Publications on Geodesy, New series,1968
2. Chandler , J. H. 1989 The acquisition of spatial data from archival photographs and their application to geomorphology Ph.D. thesis 300
3. Monitoring the development of landslides using archival photography and analytical photogrammetry;Chandler;Land and Minerals Surveying,1988
4. The extraction of positional data from historical photographs and their application to geomorphology;Chandler;Photogrammetric Record,1989