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Evaluation of exit directional symbols:

Published

Author(s)

Neil D Lerner
Citation
- NBS IR 81-2268
Report Number
NBS IR 81-2268

Citation

Lerner, N. (1981), Evaluation of exit directional symbols:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.81-2268 (Accessed March 28, 2024)
Created January 1, 1981, Updated May 19, 2023