1. H.G. Preston-Thomas, Metrologia 27, 3 (1990)
2. M. Stock, S. Solve, D. Del Campo, V. Chimenti, E. Mendez-Lango, H. Liedberg, P.P.M. Steur, P. Marcarino, R. Dematteis, E. Filipe, I. Lobo, K.H. Kang, K.S. Gam, Y.G. Kim, E. Renaot, G. Bonnier, M. Valin, R. White, T.D. Dransfield, Y. Duan, Y. Xiaoke, G. Strouse, M. Ballico, D. Sukkar, M. Arai, A. Mans, M. de Groot, O. Kerkhof, R. Rusby, J. Gray, D. Head, K. Hill, E. Tegeler, U. Noatsch, S. Duris, H.Y. Kho, H.Y. Ugur, A. Pokhodun, H.Y. Gerasimov, Metrologia 43, 03001 (2006)
3. D.R. White, M. Ballico, V. Chimenti, S. Duris, E. Filipe, A. Ivanova, A. Kartal Dogan, E. Mendez-Lango, C. Meyer, F. Pavese, A. Peruzzi, E. Renaot, S. Rudtsch, K. Yamazawa, CCT Document CCT/08-19/rev2, Uncertainties in the Realisation of the SPRT Subranges of the ITS-90 (Bureau International des Poids et Mesures (BIPM), Sèvres, 2008)
4. B. Fellmuth, K.D. Hill, P. Bloembergen, M. De Groot, Y. Hermier, M. Matveyev, A. Pokhodun, D. Ripple, P.P.M. Steur, CCT Document CCT/05-08, Methodologies for the Estimation of Uncertainties and the Correction for Fixed-Point Temperatures Attributable to the Influence of Chemical Impurities (Bureau International des Poids et Mesures (BIPM), Sèvres, 2005)
5. A. Peruzzi, O. Kerkhof, M.J. de Groot, Int. J. Thermophys. 28, 1931 (2007)