1. Patterns of Human Growth;Bogin,1988
2. Variations in the pattern of pubertal changes in girls;Marshall;Arch Dis Child,1969
3. Variations in the pattern of pubertal changes in boys;Marshall;Arch Dis Child,1970
4. Maturation of the skeleton;Acheson,1966
5. Radiographic Atlas of the Skeletal Development of the Hand and Wrist;Greulich,1959