American Society for Testing and Materials & ASTM Committee E-20 on Temperature Measurement. Subcommittee E20.07 on Fundamentals in Thermometry. (1974). Evolution of the international practical temperature scale of 1968 Sponsored by Subcommittee E20.07 on Fundamentals in Thermometry of ASTM Committee E-20 on Temperature Measurement. American Society for Testing and Materials.
Chicago Style (17th ed.) CitationAmerican Society for Testing and Materials and ASTM Committee E-20 on Temperature Measurement. Subcommittee E20.07 on Fundamentals in Thermometry. Evolution of the International Practical Temperature Scale of 1968 Sponsored by Subcommittee E20.07 on Fundamentals in Thermometry of ASTM Committee E-20 on Temperature Measurement. Philadelphia, Pa.: American Society for Testing and Materials, 1974.
MLA (9th ed.) CitationAmerican Society for Testing and Materials and ASTM Committee E-20 on Temperature Measurement. Subcommittee E20.07 on Fundamentals in Thermometry. Evolution of the International Practical Temperature Scale of 1968 Sponsored by Subcommittee E20.07 on Fundamentals in Thermometry of ASTM Committee E-20 on Temperature Measurement. American Society for Testing and Materials, 1974.