1. Middleton WEK: A History of the Thermometer. Johns Hopkins Press, Baltimore, 1966.
2. Schooley JF ( ed): Temperature: Its measurement and control in science and industry. Vol V, American Institute of Physics, New York, 1982
3. Quinn TJ and Compton JP: The Foundations of Thermometry. Rep. Prog. Phys. 38: 151, 1975.
4. Hudson RP: Measurement of Temperature. Rev. Scient. Instrum. 51: 871, 1980.
5. Schooley JF: Thermometry, CRC Press, Boca Raton, FL, 1986.