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| Year | Reference | Data with Ref. |
|---|---|---|
| 1996 | Bedford, RE; Bonnier, G; Maas, H; Pavese, F, Recommended values of temperature on the International Temperature Scale of 1990 for a selected set of secondary reference points, Metrologia, 33 (1996) 133-154. (DOI:) | manage_search |
| 1992 | Marcarino P., Bassani C., Approximation of the ITS-90 between 660 °C and 962 °C Using the Sodium Vapour P-T Relation, in Temperature, Its Measurement and Control in Science and Industry (TMCSI), Reinhold, New York, 1992, 6, 209-214. (No DOI) | manage_search |
| 1980 | Butkiewicz J., Gizmajer W., A Etude sur le Point Thermometrique du Sodium, Document CCT/80-1, submitted to the 13th Meeting of the Comitie Consultatif de Thermomietrie, 1980. (No DOI) | manage_search |
