Powell, R. L., & Burns, G. W. (1975). Thermocouple reference tables based on the IPTS-68: Reference tables in degrees Fahrenheit for thermoelements versus platinum (Pt-67). U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Chicago-referens (17:e uppl.)Powell, Robert L., och G. W. Burns. Thermocouple Reference Tables Based on the IPTS-68: Reference Tables in Degrees Fahrenheit for Thermoelements Versus Platinum (Pt-67). Washington, D.C.: U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.
MLA-referens (8:e uppl.)Powell, Robert L., och G. W. Burns. Thermocouple Reference Tables Based on the IPTS-68: Reference Tables in Degrees Fahrenheit for Thermoelements Versus Platinum (Pt-67). U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1975.