TY - GEN AU - Wall, A C C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1967-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.9350 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1967 TI - Photometric characteristics of U.S. airport lights: ER -