Haupt, G.
(1971),
Glass limit standards deposited at NBS for railway, highway and airways traffic signal colors ::history, permanence and colorimetric properties, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.TN.564 (Accessed May 6, 2026)
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Glass limit standards deposited at NBS for railway, highway and airways traffic signal colors ::history, permanence and colorimetric properties
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Author(s)
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- NBS TN 564
Report Number
NBS TN 564
Pub Type
NIST Pubs
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Created January 1, 1971, Updated May 19, 2023