Excess molar enthalpies of the ternary mixtures (1-hexene + tetrahydrofuran or 2-methyltetrahydrofuran + methyl tert-butyl ether) at the temperature 298.15 K Lan, C.Q.; Kodama, D.; Wang, Z.; Lu, B.Y.; The Journal of Chemical Thermodynamics 2006, 38, 1606-1611