1. The stereo-orthophoto technique in cadastral and general mapping;Blachut;Photogrammetric Engineering and Remote Sensing,1976
2. Orthocomp 22, der analytische Orthoprojektor von Carl Zeiss;Faust;International Archives of Photogrammetry,1980
3. A data base towards the digitally controlled production of orthophotos;Haitzmann;Ibid.,1980
4. Recent trends in the production of orthophotos and stereo-orthophotos;Kraus;Photogrammetria,1981
5. Revision of Ordnance Survey 1:2500 scale maps;Leonard;Photogrammetric Record,1982