1. Colasson S, Mercier P, Lebouché M (2001) Effect of the R-407C charge on the behaviour of a liquid chiller with plate heat exchangers. In: Commissions B1, B2 with E1, E2. IIF–IIR, Dubrvnik, Croatie, 11 pp (confe’rence RQO-18)
2. Primal F et al (2002) The behaviour of small capacity (5 kW) heat pump with micro-channelled flat tube heat exchangers. In: Zero Leakage – Minimum Charge. CZ9, Stockholm, Sweden, pp 179–186
3. Grace IN, Datta D, Tassou SA (2005) Sensitivity of refrigeration system performance to charge levels and parameters for on-line leak detection. Appl Therm Eng 25(4):557–566
4. Liu H, Chen J, Chen Z (2005) Impact of CO 2 mass charge on transcritical automotive air conditioning system. Huagong Xuebao/J Chem Indust Eng (China) 56(8):1426–1432
5. Cho H et al (2005) Effects of refrigerant charge amount on the performance of a transcritical CO 2 heat pump. Int J Refrig 28(8):1266–1273