1. The six keys to normal occlusion;Andrews;Am. J. Orthod.,1972
2. Tooth form and overbite;Backlund;Trans. Eur. Orthod. Soc.,1960
3. Factors of skeletal and soft tissue morphology affecting prognosis and treatment planning in orthodontics;Ballard;Dent. J. Aust.,1953
4. A cephalometric evaluation of the normal skeletal and dental pattern of children with excellent occlusion;Baum;Angle Orthod.,1951
5. Age and sex differences in the dentofacial changes following orthodontic treatment, and their significance in treatment planning;Baum;Am. J. Orthod.,1961