1. The International Temperature Scale of 1990 (ITS-90)
2. https://www.bipm.org/en/cipm-mra/cipm-mra-documents/ (retrieved on Oct. 28, 2022).
3. Summary of comparison of realizations of the ITS-90 over the range 83.8058 K to 933.473 K: CCT key comparison CCT-K3
4. https://www.bipm.org/kcdb/comparison?id=1110(retrieved on Oct. 28, 2022).
5. International Organization for Standardization and International Electrotechnical Commission, “General requirement for the competence of testing and calibration laboratories”, ISO/IEC 17025 Nov., 2017.