Estimation of activity coefficients for the pairs of the system 2-Ethoxyethanol + 2-Ethoxyethyl Acetate + 2-Butoxyethyl Acetate - Cortinovis, Giorgia Francine; Salvagnini, Wilson Miguel; Tavares, Denise Trigilio; Taqueda, Maria Elena Santos (Journal of Chemical & Engineering Data, 2011)