1. Adams, D. O., Beatrice, E. S., and Bedell, R. B., 1972, Retina: ultrastructural alterations produced by extremely low levels of coherent radiation, Science, 177:58–60.
2. A Guide for Control of Laser Hazards;ACIGH,1968
3. Anderson, F. A., 1974, Biological Bases for and Other Aspects of a Performance Standard for Laser Products, DHEW No. (FDA) 75–8004, Bureau of Radiological Health, Rockville, Maryland (July 1974).
4. Safe Use of Lasers;ANSI,1976
5. Beatrice, E. S., and Frisch, G. D., 1973, Retinal laser damage thresholds as a function of image diameter, Arch. Environ. Health, 27:322–326.