TY  - RPRT
TI  - Circular of the Bureau of Standards no. 471: spectral-transmissive properties and use of eye-protective glasses
AU  - Stair, Ralph
PY  - 1948
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 471
DO  - 10.6028/NBS.CIRC.471
ER  -