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Color of signal lights ::their selection, definition, measurement, production, and use

Published

Author(s)

F C Breckenridge
Citation
- NBS MONO 75
Report Number
NBS MONO 75

Citation

Breckenridge, F. (1967), Color of signal lights ::their selection, definition, measurement, production, and use, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.MONO.75 (Accessed April 14, 2024)
Created January 1, 1967, Updated May 19, 2023