1. H. Moser, J. Otto, and W. Thomas, Zeitschrift for Physik,147 (1957),175 (1963), and206 (1967).
2. K. S. Izrailov and I. I. Kirenkov, “Capacitive mercury manometer for gas thermometers,” Transactions of the Committee of Standards' Institutes, No. 51 (111) (1961).
3. K. S. Izrailov, “Separating chember with a capacitive readout,” Transactions of the Committee of Standards Institutes, No. 63 (123) (1962).
4. T. Oishi, “High temperature determination by a new gas thermometer.“ J. of Phys. Soc. of Japan, No. 16 (1961).
5. M. P. Orlova et al., Metrologia,2, No. 4 (1966).