1. Optimizing anterior and canine retraction;Burstone;Am J Orthod,1975
2. The segmented arch approach to space closure;Burstone;Am J Orthod,1982
3. Mechanics of materials;Beer,1981
4. Force systems from orthodontic appliances: an analytical and experimental comparison;Koenig;J Biomech Eng,1980
5. Experimentally determined force systems from vertically activated orthodontic loops;Vanderby;Angle Orthod,1977