TY - GEN AU - Miller, Carl AU - Nadal, Maria AU - Tsai, Benjamin AU - Zong, Yuqin C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2018-07-10 DO - https://doi.org/10.6028/NIST.SP.250-95 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2018 TI - NIST Measurement Services: Photometric Calibrations ER -