A 400-CPS TUNING FORK FILTER

[1] ADDINK CCJ, 1951, PHILIPS TECH REV, V12, P228

[2] BERANEK LL, 1949, ACOUSTIC MEASUREMENT, P3

[3] BLASINGAME BJ, 1960, Patent No. 2928668

[4] BOLLE A, 1938, RICERCA SCI 2, V2, P697

[5] BOSTWICK LG, 1952, Patent No. 2583542

[6] BRYZZHEV LD, 1954, ZH TEKH FIZ+, V24, P879

[7] CHATTERTON JB, 1956, T ASME, V78, P123

[8] CLARK HL, 1940, GEN ELEC REV, V47, P42

[9] The valve-maintained tuning-fork as a precision time-standard. [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-CONTAINING PAPERS OF A MATHEMATICAL AND PHYSICAL CHARACTER, 1923, 103 (721) : 240 - 260

[10] FUBINIGHIRON E, 1938, ALTA FREQUENZA, V7, P138

[1] ADDINK CCJ, 1951, PHILIPS TECH REV, V12, P228

[2] BERANEK LL, 1949, ACOUSTIC MEASUREMENT, P3

[3] BLASINGAME BJ, 1960, Patent No. 2928668

[4] BOLLE A, 1938, RICERCA SCI 2, V2, P697

[5] BOSTWICK LG, 1952, Patent No. 2583542

[6] BRYZZHEV LD, 1954, ZH TEKH FIZ+, V24, P879

[7] CHATTERTON JB, 1956, T ASME, V78, P123

[8] CLARK HL, 1940, GEN ELEC REV, V47, P42

[9] The valve-maintained tuning-fork as a precision time-standard. [J]. PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-CONTAINING PAPERS OF A MATHEMATICAL AND PHYSICAL CHARACTER, 1923, 103 (721) : 240 - 260

[10] FUBINIGHIRON E, 1938, ALTA FREQUENZA, V7, P138