1. A Tentative Mechanism for Inferior Punctate Keratopathy;Abelson;Amer. J. Opthal,1977
2. Statistical Methods in Medical Research;Armitage,1971
3. Die Lage des Auges in der Augenhöhle unter verschiedenen physiologischen Bedingungen;Barkan;Arch. f. Augenh.,1916
4. High Oxygen Flux Materials;Barr,1986
5. On the Motions of the Eye, an Illustration of the Uses of Muscles and Nerves of the Orbit;Bell;Trans. R. Soc. London,1823