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2. S. Friederici, E. Tegeler, in Proceedings of the 8th International Symposium on Temperature and Thermal Measurements in Industry and Science, vol. 2, ed. by B. Fellmuth, J. Seidel, G. Scholz (VDE Verlag GmbH, Berlin and Offenbach, 2002), pp. 1025–1030
3. J. Nielsen, Report of Proficiency Test, Reg. no. 200 (Danish Technological Institute, DANAK, 2007)
4. O. Kerkhof, A.M.H. van der Veen, Evaluation Report, ILC Dry Block Calibrator, Report Code S-TH-07.02 (NMi Van Swinden Laboratory B.V., 2007)