1. J. Scholz, Degussa AG, Leipziger Str. 10, D-6450 Hanau 1, F.R.G., personal communication.
2. Quartz crystal thermometer;Wade;Rev. Sci. Instrum.,1962
3. Quartz crystal thermometer for measuring temperature deviations in the 10−3 to 10−6 °C range;Smith;Rev. Sci. Instrum.,1963
4. The development of the quartz resonator as a digital temperature sensor with a precision of 1 × 10−4;Benjaminson,1972