TY - GEN AU - Dreyer,V TI - Occupational possibilities of colour defectives SN - 0001-639X PY - 1969///1218 KW - Color Perception Tests KW - standards KW - Color Vision Defects KW - classification KW - Humans KW - Occupational Medicine KW - Occupations N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1755-3768.1969.tb08138.x ER -