3Pannock J, Didion DA. The performance of chlorine-free binary zeotropic refrigerant mixtures in a heat pump[J]. National Institute of Standards and Technology, 1992:87.
6Xiao Hong Han, Peng Li, Ying Jie Xu, et al. Cycle performances of the mixture HFC-161 + HFC-134a as the substitution of HFC-134a in automotive air conditioning systems[J]. International journal of refrigeration, 2013,(36):914.