Vapor-Liquid Equilibrium Data of the Carbon Dioxide + Ethyl Butyrate and Carbon Dioxide + Propylene Carbonate Systems at Pressures from (1.00 to 13.00) MPa and Temperatures from (313.0 to 373.0) K Hongling, L.; Rongjiao, Z.; Wei, X.; Yanfen, L.; Yongju, S.; Yiling, T.; Journal of Chemical & Engineering Data 2011, 56, 1148-1157