Isothermal vapor-liquid equilibrium and molar excess Gibbs energies of two ternary systems containing either 1-butanol or 2-butanol + 1-hexene + methylbenzene at 313.15 K Belabbaci, A.; Ghezouali, C.; Villamañán, R.M.; Segovia, J.J.; Villamañán, M.A.; Negadi, L.; Fluid Phase Equilibria 2015, 386, 1-6