TY  - GEN
AU  - Ralph Stair
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1948-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.CIRC.471
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1948
TI  - Circular of the Bureau of Standards no. 471::spectral-transmissive properties and use of eye-protective glasses
ER  -