TY - GEN AU - Robert A Glass AU - Karen Lister AU - Belinda L Collins C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1983-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.83-2694 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1983 TI - Some criteria for colors and signs in workplaces: ER -