1. K.R. Carr, in Temperature: Its Measurement and Control Science and Industry, vol. 4, ed. by H.H. Plumb (Instrument Society of America, Pittsburgh, 1972), pp. 1855–1866
2. A.W. Fenton, in Temperature: Its Measurement and Control Science and Industry, vol. 4, ed. by H.H. Plumb (Instrument Society of America, Pittsburgh, 1972), pp. 1973–1990
3. R.P. Reed, in Temperature: Its Measurement and Control Science and Industry, vol. 6, ed. by J.F. Schooley (Instrument Society of America, Pittsburgh, 1992), pp. 519–524
4. R.E. Bentley, J. Phys. D Appl. Phys. 22, 1902 (1989)
5. R.L. Anderson, J.D. Lyons, T.G. Kollie, W.H. Christie, R. Eby, in Temperature: Its Measurement and Control Science and Industry, vol. 5, ed. by J.F. Schooley (Instrument Society of America, Pittsburgh, 1982), pp. 977–1007