1Kusakari K. Innovative Hot Water Supply Technology Conductive to Arresting Global Warming-Development and Significance of CO2 Heat Pump Water Heater.In: Conference Proceedings. 7th International Energy Agency Heat Pump Conference on Heat Pump Technology. Beijing: China Architecture & Building Press, 2002.101-111.
2Mukaiyama H, Masuda T, Mizukami K, et al. Development of CO2 Compressor and Its Application Systems.In: Conference Proceedings. 7th International Energy Agency Heat Pump Conference on Heat Pump Technology. Beijing: China Architecture & Building Press, 2002.137-145.