TY - GEN AU - Gibson, K S AU - Davis, Raymond C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1931-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MP.114 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1931 TI - Filters for the reproduction of sunlight and daylight and the determination of color temperature/: ER -