1. A foundation for cephalometric communication;Ricketts;Am J Orthod,1960
2. Chronological versus skeletal age, an evaluation of craniofacial growth;Fishman;Angle Orthod,1979
3. Radiographic standard of reference for the growing hand and wrist;Pyle,1971
4. Prediction of the age of maximum pubertal growth in body height;Bjork;Angle Orthod,1967
5. Radiographic evaluation of skeletal maturation a clinically oriented method based on hand-wrist films;Fishman;Angle Orthod,1981