title: Psychophysical studies of pigeon color vision--I. Photopic spectral sensitivity.
mesh_terms: D000221:Adaptation, Ocular; D000818:Animals; D003118:Color Perception / Q000502:physiology*; D010856:Columbidae / Q000502:physiology*; D003216:Conditioning, Operant; D003213:Conditioning, Psychological; D010786:Photoreceptor Cells / Q000502:physiology; D011601:Psychophysics; D013053:Spectrophotometry; D014794:Visual Fields