1. The transmission of spatial information through the visual system;Campbell,1974
2. Orientation selectivity of the human visual system;Campbell;J. Physiol., Lond.,1966
3. Image Descriptors for Displays;Cohen;ONR Tech. Report,1975
4. Image Descriptors for Displays;Cohen;ONR Tech. Report,1976
5. Optical and photoelectric analog of the eye;Schade;J. opt. Soc. Am.,1956