title: VISUAL PURPLE AND THE PHOTOPIC LUMINOSITY CURVE.
authors.affiliation: Vision Research Unit, Medical Research Council, Institute of Ophthalmology, London.
authors.forename: H J
authors.initials: HJ
authors.lastname: Dartnall
mesh_terms: D055253:Color Vision; D012243:Rhodopsin
chemical_list: D012243:Rhodopsin