1. Descriptive anatomy of the human teeth;Black,1987
2. Estimation of the sizes of unerupted cuspid and bicuspid teeth;Hixon;Angle Orthod,1958
3. Handbook of orthodontics;Moyers,1973
4. The prediction of the size of unerupted canine and premolars in a contemporary orthdontic population;Tanaka;J Am Dent Assoc,1974
5. Prediction of the widths of unerupted canines and premolars;Staley;J Am Dent Assoc,1984