Excess enthalpies of ternary mixtures of (oxygenated additives + cycloalkane) in fuels and bio-fuels: (dibutyl ether + 1-propanol + cyclohexane), or methylcyclohexane, at T = (298.15 and 313.15) K E.M. Alaoui, F.; Aguilar, F.; Jesús González-Fernández, M.; Montero, E.A.; The Journal of Chemical Thermodynamics 2017, 105, 112-122