Journal of research of the National Bureau of Standards.
United States.National Bureau of Standards.
Washington, D.C. : The Bureau : [For sale by the Supt. of Docs., U.S. G.P.O.,
1961-1963]
Title from masthead.
Radio meteorology
Radio wave propagation
Ionospheric radio wave propagation
Radio waves
Journal of research of the National Bureau of Standards (Washington, D.C. : 1934)
Journal of research, National Bureau of Standards. Section D,  Radio science