TY  - JOUR
AU  - Yoshihiro Ohno
C2  - Journal of Research of the National Institute of Standards and Technology
DA  - 1997-01-01
LA  - en
M1  - 102
PB  - Journal of Research of the National Institute of Standards and Technology
PY  - 1997
TI  - Improved Photometric Standards and Calibration Procedures at NIST
ER  -