1. Temperature, Reinhold Publ. Corp., N.Y., 1941, p. 1272, 1281.
2. A. A. Rudnitskii, Thermoelectric Properties of Precious Metals and their Alloys [In Russian] (Acad. Sci. USSR Press, 1956).
3. V. A. Sokolov (editor), Methods of Measuring Temperature [In Russian translation] (Foreign Literature Press, 1954, p. 234).
4. B. K. Bragin, Measurement Techniques, No. 5 (1957).