TY  - GEN
AU  - Kostkowski, H J
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1977-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.IR.75-939
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1977
TI  - The National Measurement System for radiometry and photometry:
ER  -