TY - GEN AU - Albert Parr C2 - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD DA - 1996-01-01 DO - https://doi.org/10.6028/NIST.TN.1421 LA - en PB - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD PY - 1996 TI - A National Measurement System for Radiometry, Photometry, and Pyrometry Based upon Absolute Detectors ER -