(Vapor + liquid) equilibrium for the binary systems {water + glycerol} and {ethanol + glycerol, ethyl stearate, and ethyl palmitate} at low pressures Coelho, R.; dos Santos, P.G.; Mafra, M.R.; Cardozo-Filho, L.; Corazza, M.L.; The Journal of Chemical Thermodynamics 2011, 43, 1870-1876