title: The effect of area, separation, and dichoptic presentation on the perception of achromatic color.
authors: W R
authors: WR
authors: Whipple
authors: H
authors: H
authors: Wallach
authors: F J
authors: FJ
authors: Marshall
mesh_terms: D003118:Color Perception / Q000502:physiology; D007839:Functional Laterality / Q000502:physiology; D006801:Humans; D008029:Lighting; D009799:Ocular Physiological Phenomena