Breckenridge, F.
(1959),
Background and objectives of the U.S. Standard for the colors of signal lights:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.RPT.6413
(Accessed July 26, 2024)
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Background and objectives of the U.S. Standard for the colors of signal lights:
Published
Author(s)
Citation
- NBS RPT 6413
Report Number
NBS RPT 6413
Pub Type
NIST Pubs
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Created January 1, 1959, Updated May 19, 2023