1. Brit;BOWMAN, W.;med,1862
2. Arch;CALMETTES, L.; DEODATI, F.; HURON, I.H.; BE~CHAC, G.;Ophtal. (Paris); Trans,1958
3. Arch;Ophthal;Ibid; v,1970
4. On the Pathology and Treatment of Glaucoma;Arch;Ophthal. (Chicago); Emmetropia and its,1883
5. Die Entstehung der spharischen Refraktionen des menschlichen Auges;Aberrations". Spec. Rep. Ser. med. Res. Coun. No. 293. H. M. S. O., London STEIGER, A,1913