共 18 条
[1]
PERIODIC FADING OF VLF SIGNALS RECEIVED OVER LONG PATHS DURING SUNRISE + SUNSET
[J].
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION D-RADIO SCIENCE,
1964, D 68 (01)
:27-+
[10]
LYNN KJW, 1970, J ATMOSPH TERR PHYS, V39, P57