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3. The origin of functional deficiencies in the hypertensive eye;Weekers, R.; Lavergne, G.; Gougnard, L.;Doc Ophthalmol,1959
4. The coefficient of scleral rigidity in normal and glaucomatous eyes;Drance, S.M.;Arch Ophthalmol
5. Glaucoma: ein handbuch;Leydecker, W.