The investigation on the vapor +  liquid equilibrium for the ternary mixture isobutene (R600a) +  1,1-difluoroethane (R152a) +  1,1,2,2-tetrafluoroethane (R134) at temperatures from 253.150 to 273.150 K Zhao, Y.; Gong, M.; Dong, X.; Guo, H.; Wu, J.; Fluid Phase Equilibria 2016, 408, 72-78