TY  - RPRT
TI  - Optical radiation measurements : the impact of radiometry and photometry and the role of NBS
AU  - Steiner, Bruce
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 594-4
DO  - 10.6028/NBS.TN.594-4
ER  -