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2. The need for, and availability of, working fluid property data: Results from Annexes XIII and XVIII;McLinden,1993
3. Calculation methods for comparing the performance of pure and mixed working fluids in heat pump applications;Högbert;Int J Refrig,1993
4. Nonazeotropic mixtures as working fluids in two-stage economizer type heat pumps;Högberg;Int J Refrig,1994
5. Non-azeotropic mixtures as working fluids in heat pumps: A theoretical and experimental study;Högberg,1995