1. Three-dimensional contour mapping by photography;Beard;The Photographic Journal,1967
2. Evolution of a system of stereophotogrammetry for the study of facial morphology;Beard;Medical and Biological Illustration,1967
3. A new X-ray technique and its application to orthodontia;Broadbent;Angle Orthodont.,1931
4. The application of photogrammetric techniques to medical problems;Miskin;The Photogrammetric Recor,1956