References
- Butcher, G. W. and Stephens, C. D. (1981) The reflex optical plotter—a preliminary report, British Dental Journal, 151, 304–305.
- Krogman, W. M. and Sassouni, V. (1957) A syllabus of roentgenographic cephalometry, Philadelphia Centre for Research in Child Growth.
- Scott, P. J. and Abdel-Aziz, Y. I. (1980) The reflex plotter: A plotter without photographs. 4th Congress of the International society of Photogrammetry, Hamburg. Commission V; WG–3 and 5.