1. Photographic measurement of facial swelling;Björn;J. Dent. Res.,1954
2. The accuracy and range of certain stereo-photographic measurements of facial morphology;Burke,1972
3. Stereophotogrammetry of the face;Burke,1967
4. Close range photogrammetry applied to research in Orthodontics;Cheffins;Photogramm. Rec.,1969
5. Symposium Bern/Stuttgart;Engzell,1967