共 50 条
- [25] Audio-frequency atmospherics PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1933, 21 (10): : 1476 - 1494
- [26] MULTIPLICATION OF 2 SIGNALS IN AUDIO-FREQUENCY RANGE WITH AVERAGING OF RESULTS INSTRUMENTS AND EXPERIMENTAL TECHNIQUES-USSR, 1969, (02): : 420 - +
- [27] Audio-frequency magnetotelluric imaging of the Hijima fault, Yamasaki fault system, southwest Japan Earth, Planets and Space, 2010, 62 : 401 - 411
- [29] Audio-frequency magnetotelluric imaging of the Hijima fault, Yamasaki fault system, southwest Japan EARTH PLANETS AND SPACE, 2010, 62 (04): : 401 - 411
- [30] An improved audio-frequency generator BUREAU OF STANDARDS JOURNAL OF RESEARCH, 1931, 7 (4/6): : 691 - 695