Merckel, R. D.; Labuschagne, F. J. W. J.; Heydenrych, M. D. (2019). "Oxygen consumption as the definitive factor in predicting heat of combustion", Appl. Energy235: 1041-1047. https://doi.org/10.1016/j.apenergy.2018.10.111
Kharasch, M.S. (February 1929). "Heats of combustion of organic compounds". Bureau of Standards Journal of Research. 2 (2): 359. doi:10.6028/jres.002.007.