TY - GEN AU - Roach, F E C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1964-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.214 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1964 TI - Absolute photometry of the light of the night sky::the zenith intensity of Haleakala (latitude N 20.7⁰) and at Fritz Peak (latitude N 39.9⁰) ER -