Excess enthalpy, density, and speed of sound determination for the ternary mixture (methyl tert-butyl ether + 1-butanol + n-hexane) Mascato, E.; Mariano, A.; Piñeiro, M.M.; Legido, J.L.; Paz Andrade, M.; The Journal of Chemical Thermodynamics 2007, 39, 1247-1256