Phase of the low radiofrequency ground wave
By: [by] J. R. Johler, W. J. Kellar and L. C. Walters.
Publisher: U.S. Dept. of Commerce, National Bureau of Standards, 1956.
Published: 1956
Place of publication: [Washington]
Language: eng
Number of pages: 38
Subjects: Radio waves.
Notes: Bibliography: p. 10.