1. Anon. (1989) Is it time for time-temperature indicators? Prepared Foods, 158(12), 219–30.
2. Arnold, G. and Cook, D.J. (1977) An evaluation of the performance claimed for a chemical time/temperature integrating device. Journal of Food Technology, 12, 333–7.
3. Technical Memorandum;A Ballantyne,1988
4. Bhattacharjee, H.R. (1988) Photoactivatable time-temperature indicators for low-temperature applications. Journal of Agricultural and Food Chemistry, 36(3), 525–29.
5. Blixt, K. (1984) The I—Point TTM — a versatile biochemical time—temperature integrator. In: Thermal Processing and Quality of Foods, P. Zeuthen, J.C. Cheftel and C. Eriksson (eds), Elsevier Applied Science Publishers, London.