共 50 条
- [3] AUDIO-FREQUENCY MEASUREMENTS [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1949, 37 (10): : 1108 - 1115
- [8] CALCULATION OF ELEMENTS OF VIBRATORY SYSTEM OF AN AUDIO-FREQUENCY ELECTROMECHANICAL FILTER [J]. SOVIET PHYSICS ACOUSTICS-USSR, 1974, 19 (06): : 590 - 591