1. A storage heat-pump using an ozone friendly refrigerant;Riffat;Int J. Energy Res.,1992
2. Possible compressor problems in handling HFC-134a car air conditioning systems;Azami;Soc. Automot. Engrs Trans.,1991
3. R123 exposure limits tightened;Building Services, the CIBSE J.,1991
4. An intensified absorption heat-pump;Ramshaw,1988
5. Absorption fluids data survey—final report on world-wide data;Macriss,1988