TY - GEN AU - Brady, A H C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1963-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.206-1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1963 TI - The normal phase variations of the 18 kcs signals from NBA observed in Frankfurt, Germany: ER -