Jiménez Leiva, C.C. et al. 2015. Calculation and Prediction of Fugacity and Activity Coefficients in Binary Mixtures, using a Self-Regulated Fretwidth Harmony Search Algorithm. Revista Ingenierías Universidad de Medellín. 16, 30 (Nov. 2015), 67–95. DOI:https://doi.org/10.22395/rium.v16n30a4.