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American Journal of Optometry and Physiological Optics|July 1, 1978
Night myopia at night automobile luminances: final reportO W Richards
Journal of the Experimental Analysis of Behavior|May 1, 1972
Reinforcement delay: some effects on behavioral contrastR W Richards
Canadian Medical Association Journal|March 24, 2010
Observations on Accommodation for the Mentally Retarded in the Province of OntarioB W Richards
American Journal of Optometry and Physiological Optics|October 1, 1976
Instrument myopia--microscopyO W Richards
Journal of the Optical Society of America. A, Optics and Image Science|July 1, 1985
Visual grating inductionJ M Foley, M E McCourt
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