1. Arch;ARONSON, S.B.; SHAW, R.;Ophthal,1959
2. Arch;BIETTI, G.B.;Ophtal. (Paris); "Genetics in Ophthalmology"; Klin,1965
3. Brit;BROWN, N.A.P.;J. Ophthal,1970
4. Brit;BURKI, E.;Ophthalmologica (Basel),1958
5. FRANCESCHETTI, A., CHODOS, J., DIETERLE, P., and FORNI, S. (1957) Bull. Soc. franf. Ophtal., 70, 175 and MAEDER, G. (1954) Ibid., 67, I46 FRANCOIs, J., and NEETENS, A. (1957) Bull. Soc. belge. Ophtal., 114, 641