Tanner, J.M., Whitehouse, R.H., Marshal, W.A., Healy, M.J.R., and Goldstein, H.: Assessment of Skeletal Maturity and Prediction of Adult Height (TW2 Method) . London, Academic Press, 1976.
2.
Todd, T.W.: Atlas of Skeletal Maturation. St. Louis, Mosby, 1937.
3.
Flory, C.D.: Osseous development in the hand as an index of skeletal development. Monog. Soc. Res. Child Dev.1: 1, 1936.
4.
Rochlin, D.G. : Röntgenosteologie und Röntgenanthropologie . Mockba, Biomedgiz, 1936.
5.
Greulich, W.W. , and Pyle, S.I.: Radiographic Atlas of Skeletal Development of the Hand and Wrist. Stanford University Press, 1950 (1st ed.) 1959. (2nd ed.).
6.
Pyle, S.I., Waterhouse, A.M. and Greulich, W.W.: A Radiographic Standard of Reference for the Growing Hand and Wrist. Cleveland, Ohio Press of Case-Western Reserve University, distributed byYear Book Publishers, Chicago, 1971 .