Low temperature coefficient quartz crystals

[1] BECHMANN R, HOCHFREQUENSTECHNIK, V44, P145

[2] BECHMANN R, 1935, Z TECHNISCH PHYS, V16, P525

[3] BOKOVOY SA, Patent No. 211384

[4] BOKOVOY SA, Patent No. 211383

[5] BOKOVOY SA, Patent No. 2111383

[6] BOKOVOY SA, 1936, Patent No. 457342

[7] KOGA I, 1934, REPORT RADIO RES JAP, V4

[8] Observations on modes of vibration and temperature coefficients of quartz crystal plates [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1929, 17 : 1123 - 1141

[9] LACK FR, 1934, Patent No. 1958620

[10] LACK FR, 1934, B S T J JUL, P453

[1] BECHMANN R, HOCHFREQUENSTECHNIK, V44, P145

[2] BECHMANN R, 1935, Z TECHNISCH PHYS, V16, P525

[3] BOKOVOY SA, Patent No. 211384

[4] BOKOVOY SA, Patent No. 211383

[5] BOKOVOY SA, Patent No. 2111383

[6] BOKOVOY SA, 1936, Patent No. 457342

[7] KOGA I, 1934, REPORT RADIO RES JAP, V4

[8] Observations on modes of vibration and temperature coefficients of quartz crystal plates [J]. PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1929, 17 : 1123 - 1141

[9] LACK FR, 1934, Patent No. 1958620

[10] LACK FR, 1934, B S T J JUL, P453