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NIST Temperature Scale Database (SRD 60), Version 3.0
Fixed Points Associated with a Selected Reference:
Reference:
A. J. Nijman and N. J. Trappeniers, A NMR STUDY OF SOLID METHANE: THE LOW TEMPERATURE PHASE TRANSITION, Chem. Phys. Lett. 47, 188-193 (1977). (DOI:) (1977)