1. Clinical ophthalmology;Duane, T.D.; Jaeger, E.A.,1982
2. Augenheilkunde in Klinik und Praxis;Francois, J.; Hollwich, F.,1981
3. Diseases of the cornea;Grayson, M.,1979
4. Atlas of external diseases of the eye;Donaldson, D.D.,1971
5. Principles and practice of ophthalmology;Peyman, G.A.; Sanders, D.R.; Goldberg, M.F.,1980