1. The clinical application of a tooth-size analysis;Bolton;Am J Orthod,1962
2. Disharmony in tooth size and its relation to the analysis and treatment of malocclusion [thesis];Bolton,1952
3. Disharmony in tooth size and its relation to the analysis and treatment of malocclusion;Bolton;Angle Orthod,1958
4. Contemporary orthodontics;Proffit,1986
5. Tooth-width ratio discrepancies in a sample of Peruvian adolescents;Bernabé;Am J Orthod Dentofacial Orthop,2004