1. HFC134a and HFC227 - future working fluids for heat pumps?;Preisegger,1989
2. CFC alternatives for high temperature heat pump applications;Vamling,1990
3. Première application industrielle des mélanges non azéotropiques;Dutto;EDF Rep No 14 W 2527,1987
4. Sabroe products Personal communication (1991)
5. R142b: A new refrigerant for high temperature heat pumps;Blaise,1986