1. In discussion of Zimmerman, L. E., de Venecia, G. and Hamasaki, D. I.: Pathology of the optic nerve in experimental acute glaucoma;Becker;Invest. Ophth.,1967
2. Comparative anatomy. Notes on the blood vessels of the optic disk in some of the lower animals;Neetleship;Tr. Ophth. Soc. U.K.,1905
3. Retinal Circulation in Man and Animals;Michaelson,1954
4. Comparison of the lamina cribrosa in mammalian species with good and with indifferent vision;Tansley;Brit. J. Ophth.,1956
5. A method for rapid measurement of intrarenal and other tissue pressure;Swann;J. Exper. Med.,1950