1. Textbook of Glaucoma;Shields,1987
2. Becker-Shaffer's Diagnosis and Therapy of the Glaucomas;Hoskins,1989
3. Epidemiology of primary glaucoma.;Graham,1986
4. Low tension glaucoma. A critical review and new material;Levene;Surv. Ophthalmol.,1980
5. Hereditary opticusatrophy with excavation of the papilla;Wium;Acta Ophthalmol.,1948