1. Cephalometric roentgenology: History techniques, and uses;Brodie;J. Oral Surg.,1949
2. Measurement on radiographs;Björk;J. Dent. Res.,1962
3. Reproducibility of cephalometric landmarks and errors of measurement of cephalometric cranial distances;Mitgard;Angle Orthod.,1974
4. The reliabiilty of head film measurements. 1. Landmark identification;Baumrind;Am. J. Orthod.,1971
5. Cephalometrics and longitudinal research;Hixon;Am. J. Orthod.,1960