Colour vision deficiencies VIII : proceedings of the the eighth symposium of the international research group on colour vision deficiencies, held at the Palais des Papes, Avignon, France, 23 - 26 June 1985 - International Research Group on Colour Vision Deficiencies. symposium ( 8th : 1985 : Arignon, France); Verries, G. (Netherlands : Martinus Nijhoff Publishers, 1985)
Keywords: Color blindness -- congresses; Color vision -- congresses