1. J. Heywood, Internal Combustion Engine Fundamentals. McGraw-Hill Science, Engineering, and Math Series, 1st ed. (Boston, MA: McGraw-Hill, 1988), ISBN: 007028637X.
2. J.A. Caton, SAE Paper 2000-01-0952 (2000).
3. T. Endo, S. Kawajiri, Y. Kojima, K. Takahashi, T. Baba, S. Ibaraki, T. Takahashi, and M. Shinohara., Tech. Rep. 2007-01-0257 (Warrendale, PA: SAE Int., 2007).
4. D.M. Rowe, Thermoelectrics Handbook: Macro to Nano (Boca Raton: CRC/Taylor & Francis, 2006), ISBN: 0849322642.
5. R. Stobart and D. Milner, Tech. Rep. 2009-01-1333 (Warrendale, PA: SAE Int., 2009).