References
- Baumrind, S., Miller, D and Molthen, R. (1976) The Reliability of head film measurements. III. tracing superimposition, American Journal of Orthodontics, 70, 617–644.
- Björk, A. (1963) Variations in the growth pattern of the human mandible: longitudinal radiographic study by the implant method, Journal of Dental Research, 42, 400–411.
- Björk, A. and Skieller, V. (1977) Growth of the maxilla in three dimensions as revealed radiographically by the implant method, British Journal of Orthodontics, 4, 53–64.
- De Coster, L. (1953) A new line of reference for the study of lateral facial teleradiographs, American Journal of Orthodontics, 39, 304–306.
- Kerr, W. J. S. (1978) A method of superimposing serial lateral cephalometric films for the purpose of comparison, a preliminary report, British Journal of Orthodontics, 5, 51–53.
- Ziedes des Plantes, B. G. (1970) Subtraction, In McLaren (Ed.), Modern trends in diagnostic radiology, London: Butterworth.