T.S. Kim, J.Y. Shin, S.D. Chang, M.S. Kim and S.T. Ro, 1992, “Cycle Performance and Heat Transfer Characteristics of a Heat Pump Using R22/R142b Refrigerant Mixtures,” Proceedings of the 1992 International Refrigeration Conference - Energy Efficiency and New Refrigerants, Purdue University, Indiana, U.S.A., pp. 53-62. (International Institute of Refrigeration, 1992년 7월)