1. The reliability of head film measurements, 1. Landmark identification;Baumrind;Am. J. Orthod.,1971
2. Three plane analyses of tooth movement, growth and angular changes with cervical traction;Mitani;Angle Orthod.,1970
3. Correction of error in cephalometric roentgenograms;Adams;Angle Orthod.,1940
4. BMD Biomedical Computer Programs;Dixon,1968
5. Introduction to statistical analysis;Dixon,1957