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Heldman, J.D., An azeotrope in the system n-butane + methyl bromide, J. Am. Chem. Soc., 1944, 66, 661. [all data]
Mraw, S.C.; Heldman, J.L.; Hwang, S.-C.; Tsonopoulos, C., Heat capacity of coal liquids., Ind. Eng. Chem. Process Des. Dev., 1984, 23, 577-86. [all data]