1. The six keys to normal occlusion;Andrews;Am J Orthod,1972
2. Descriptive anatomy of the human teeth;Black,1902
3. Deep overbite correction by intrusion;Burstone;Am J Orthod,1977
4. Craniofacial morphology in congenital clefts of the lip and palate;Dahl;Acta Odontol Scand,1970
5. The canine teeth—normal functional relation of the natural teeth of man;D'Amico;J South Calif Dent Assoc,1958