1. Preston-Thomas H. (1990). Metrologia 27: 3
2. Bureau International des Poids et Mesures, Supplementary Information for the International Temperature Scale of 1990 BIPM, Sèvres (1990) http://www.bipm.org/en/publications/its-90_supplementary.html
3. Ancsin J. (2001). Metrologia 38: 1
4. E. Renaot, M. Elgourdou, G. Bonnier, in Proceedings of TEMPMEKO ’99, 7th International Symposium on Temperature and Thermal Measurements in Industry and Science, ed. by J.F. Dubbeldam, M.J. de Groot (Edauw Johannissen bv, Delft, 1999), pp. 119–123
5. P. Jimeno-Largo, P. Bloembergen, J. Ancsin, in Proceedings of TEMPMEKO 2004, 9th International Symposium on Temperature and Thermal Measurements in Industry and Science, ed. by D. Zvizdić, L.G. Bermanec, T. Veliki, T. Stašić (FSB/LPM, Zagreb, Croatia, 2004), pp. 233–238