TY - JOUR AU - Steven Brown AU - George Eppeldauer AU - Keith Lykke C2 - Metrologia DA - 2000-10-01 LA - en M1 - 37 PB - Metrologia PY - 2000 TI - NIST Facility for Spectral Irradiance and Radiance Responsivity Calibrations With Uniform Sources ER -