TY  - RPRT
TI  - The normal phase variations of the 18 kcs signals from NBA observed in Frankfurt, Germany 
AU  - Brady, A H
PY  - 1963
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 206-1
DO  - 10.6028/NBS.TN.206-1
ER  -