1. M. Stevens, S.A. Bell, Meas. Sci. Technol. 3, 943 (1992)
2. M. Stevens, 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. 191–196
3. S. Hasegawa, J.W. Little, J. Res. Natl. Bur. Stand. (U.S.) 81A, 1 (1977)
4. A. Actis, M. Banfo, V.C. Fernicola, R. Galleano, S. Merlo, in Papers and Abstracts from the Third International Symposium on Humidity & Moisture, vol. 1, ed. by S.A. Bell (NPL, London, 1998), pp. 2–9
5. C.C.M. Luijten, M.E.H. van Dongen, L.E. Stormbom, Sens. Actuators B-Chem 49, 279 (1998)