1. Comparative study of a cascade cycle for simultaneous refrigeration and heating operating with ammonia, R134a, butane, propane and CO2 as working fluids;Colorado;Int. J. Sustain. Energ.,2011
2. B. Palm, Refrigerants of the future, in: Proceedings 10th IEA Heat Pump Conference 2011, 16–19 May, 2011, Tokyo, Japan.
3. The Montreal Protocol on the ozone depleting substances of 16th September 1987, ratified by the Republic of Poland on 25th June 1990, J. Polish Law 92.98/490 (in Polish).
4. Conclusions of the UN conference “Environment and Development” – the Earth Summit, Rio de Janeiro (Brasil), 3–14 June 1992 (in Polish).
5. Comparative Studies and Analysis of Working Fluids for Organic Rankine Cycles – ORC;Nouman,2012