1. Albert D, Jakobiec FA (Hrsg) Principles and practice of ophthalmology. Philadelphia, London: Saunders 1994
2. Alkemade PPH. Dysgenesis mesodermalis of the iris and the Cornea. Assen/NL: Van Gorcum 1969
3. Ascher KW. The aqueous veins. Springfield III: Charles C Thomas 1961
4. Becker B, Shaffer R. Diagnosis and therapy of the glaucomas. 3rd edn. St. Louis: Mosby 1970
5. Cairns JE (eds) Glaucoma, vol II. London: Grüne & Stratton 1986:661–677