1. Interrelations of malocclusion manifestations (mathematical elucidation of malocclusion syndromes);Grainger;Adv. Oral Biol.,1968
2. On an equilibrium theory of tooth position;Weinstein;Angle Orthod.,1963
3. Centers of rotation within the periodontal space;Christiansen;Am. J. Orthod.,1969
4. Edgewise orthodontics;Thurow,1966