Reference Label	Details
Prosen 1945a	E. J. Prosen, R. Gilmont, and F. D. Rossini, J. Res. Natl. Bur. Stand. 34, 65-71 (1945) Heats of Combustion of Benzene, Toluene, Ethylbenzene, o-Xylene, m-Xylene, p-Xylene, n-Propylbenzene, and Styrene
as quoted by Cox 1970	as quoted by Cox 1970