1. Head posture and craniofacial morphology;Solow;Am J Phys Anthropol,1976
2. On an equilibrium theory of tooth position;Weinstein;Angle Orthod,1963
3. Equilibrium theory revisited: Factors influencing position of the teeth;Proffit;Angle Orthod,1978
4. Buccolingual muscle force and dental arch form;Lear;Am J Orthod,1969
5. The dynamics of a tooth in function;Parfitt;J Periodontol,1961