共 9 条
- [1] ARGUIMBAU LB, 1948, VACUUM TUBE CIRCUITS
- [2] CHANG SH, 1950, J ACOUST SO, V20, P768
- [4] HUBER GH, 1949, BELL LABS RECORD, V27, P251
- [5] LICKLIDER JCR, 1948, J ACOUST SO, V20, P820
- [7] Potter R.K., 1947, AM ANN DEAF, V91, P447
- [8] RICE, 1944, BELL SYSTEM TECH JUL
- [9] RICE, 1945, BELL SYSTEM TECH JAN