1. Disharmony in tooth size and its relation to the analysis and treatment of malocclusion;Bolton;Angle Orthod,1958
2. Descriptive anatomy of the human teeth;Black,1902
3. Asymmetry in tooth size: a factor in the etiology, diagnosis, and treatment of malocclusion;Ballard;Angle Orthod,1944
4. Tailored occlusion with the anterior coefficient;Neff;Am J Orthod,1949