TY  - GEN
AU  - Haupt, Geraldine W
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1971-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.TN.564
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1971
TI  - Glass limit standards deposited at NBS for railway, highway and airways traffic signal colors ::history, permanence and colorimetric properties
ER  -