title: On the study of the color perception of railroads.
authors.forename: R
authors.initials: R
authors.lastname: SYSI
mesh_terms: D003118:Color Perception; D003119:Color Perception Tests; D055253:Color Vision; D006801:Humans; D011890:Railroads
keywords: COLOR PERCEPTION/tests; RAILROAD WORKERS/color vision
vernacular_title: Rautatieläisten väriaistin tutkimisesta.