TY - JOUR AU - Yoon, Howard AU - Proctor, J AU - Gibson, Charles C2 - Metrologia DA - 2003-01-01 LA - en M1 - 40 PB - Metrologia PY - 2003 TI - FASCAL 2: A New NIST Facility for the Spectral Irradiance Calibrations of Sources ER -