Phase Equilibrium Measurements and Thermodynamic Modeling of the Systems (CO2 + Ethyl Levulinate) and (CO2 + Levulinic Acid) Giacomin Junior, W.R.; Capeletto, C.A.; Voll, F.A.P.; Corazza, M.L.; Journal of Chemical & Engineering Data 2019, 64, 2011-2017