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2. Billings 1972 American Institute of Physics Handbook
3. Cox 1975 Appl Opt 14
4. Cox Hass 1978a 2 3 Appl. Opt 17 2 3
5. Croarkin 1993 Temperature-Electromotive Force Reference Functions and Tables for the Letter-Designated Thermocouple Types based on the ITS-90 Natl. Inst. Stand. Techol. Monograph 175, 1993 http://srdata.nist.gov/its90/main/