1. J.P. Tavener,Improvements Relating to the Calibration of Thermometers, NCSLi, 2009
2. Supplementary Information for the ITS-90, p. 67, ISBN, 92-822-2111-3
3. M. Megharfi, Realization of Open Copper Fixed Point Cells for Thermocouple Calibration. BNM-LNE Paris, Temperature, Vol. 7 (2003)
4. N.P. Moiseera, A.I. Pokhodum, Approximation of the ITS-90 with High Temperature Thermometers up to 1085 °C, Temperature, Vol. 7 (2003)
5. A.D. McLachlan, The Stability of the Freezing Point of Copper as a Temperature Standard,Temperature – Its Measurement and Control in Science and Industry(The Instrument Society of America, 1972), Vol. 4