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Huinink, Jan; Van Miltenburg, Kees; Oonk, Harry A.J.; Schuijff, Abraham; Groen, Paul, Thermodynamic functions and vapor pressures of triphenylphosphine oxide and 1,4-bis(diphenylphosphino)butane near the melting point, J. Chem. Eng. Data, 1989, 34, 1, 99-100, https://doi.org/10.1021/je00055a028 . [all data]