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NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
Schwab F. W., Wichers E., Freezing Temperature of Benzoic Acid as a Fixed Point in Thermometry, J. Res. Natl. Bur. Stand., 1945, 34, 333-372. (DOI:) (1945)