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NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
Szmyrka-Grzebyk, A., Lipiński, L. & Manuszkiewicz, H. Phase Transitions in Solid Oxygen as Thermometric Fixed Points. Journal of Low Temperature Physics 111, 399–406 (1998). (DOI:) (1998)