1. Preston-Thomas H.: Metrologia 27, 3 (1990)
2. Y.A. Abdelaziz, F. Megahed, M.M. Ammar, Sci. Bull. Fac. Eng. 40 (2005)
3. Bentley R.E., Russell G.F.: Sens. Actuators 16, 89 (1989)
4. Bedford R.E., Bonnier G., Maas H., Pavese F.: Techniques for Approximating The International Temperature Scale of 1990. BIPM, Pavillon de Breteuil (1990)
5. Mortlock A.G.: J. Sci. Instr. 1, 256 (1958)