Experimental vapour-liquid equilibrium data and modeling for binary mixtures of 1-butene with 1,1,2,3,3,3-hexafluoro-1-propene, 2,2,3-trifluoro-3-(trifluoromethyl)oxirane, or difluoromethane Subramoney, S.C.; Valtz, A.; Coquelet, C.; Richon, D.; Naidoo, P.; Ramjugernath, D.; The Journal of Chemical Thermodynamics 2013, 61, 18-26