1. The facial musculature in its relation to the dental occlusion;Proffit,1978
2. On an equilibrium theory of tooth position;Weinstein;Angle Orthod,1963
3. Buccolingual muscle force and dental arch form;Lear;Am J Orthod,1969
4. The theoretical concept underlying the treatment with function correctors;Fränkel;Trans Eur Orthod Soc,1966
5. The treatment of Class II, Division 1 with functional correctors;Fränkel;Am J Orthod,1969