共 6 条
[2]
Helliwell RobertA., 1965, WHISTLERS RELATED IO
[3]
Morse P. M., 1987, THEORETICAL ACOUSTIC
[4]
MORSE PM, 1948, VIBRATION SOUND, P305
[5]
RAMO S, 1953, FIELDS WAVES COMMUNI, pCH9
[6]
RAMO S, 1953, FIELDS WAVES MODERN, pCH8