1[1]Livengood J. C.,"Measurement of Gas Temperature in an Engine by the Velocity of sound Method", SAE Transactions, Vol. 66,P683, (1958)
2[2]Burrows M. C., Shimizu S., Myers P. S. and Uyehara O. A., "The Measurement of Unburned Gas Temperature in an Engine by an Infrared Radiation Pyrometer", SAE Transactions, Vol. 96, P514, (1961)
3[3]Thomson S. L., Maynes D., "Temperature Profile Measurement Using Molecular Tagging Velocimetry", AIAA -99 -3601, P9,(1999)
4[4]Kimura I., Hyodo T. and Ozawa M.,"Temperature and Velocity Measurement of a 3 - D Thermal Flow Field Using Thermo -sensitive Liquid Crystals", L3794A J Via (JPN) Vol. 1, No. 2, P145, (1998)