1Krauss R, Stephan K. Literature survey on thermo-physical properties of natural refrigerants[A]. Proc IIF/IIR Gustav Lorentzen Conf[C]. Oslo Norway, 1998, 441-448.
2Mathur G D. Performance of vapor compression refrigeration system with hydrocarbons: propane, isobutene and 50-50 mixture of propane isobutene[A]. Proc Int Conf Ozone Prot Techn[C]. Wash DC, 1996, 835-844.
3Pearson F. Uses of hydrocarbon refrigerants[A]. Proc of IIF/IIR Conf Applications for Natural Refrigerants[C], Aarhus,Denmark, 1996, 439-446.
4Ritter T J. Experiences with hydrocarbon blends in the UK market[A]. Proc of IIF/IIR Conf Applications for Natural Refrigerants[C], Aarhus, Denmark, 1996, 447-456.
