1. Cascade systems: past, present, and future;Bansal;ASHRAE Trans.,2007
2. Belozerov, G., Mednikova, N., Pytchenko, V., Serova, E., 2007. Cascade type refrigeration systems working on CO2/NH3 for technological process of products freezing and storage. In: IIR Ammonia Refrigeration Conference, Ohrid, Republic of Macedonia.
3. Dopazo, A., Ferández-seara, J., Arias, A., Sieres, J., Uhía, F., 2007. Thermodynamic analysis of a CO2/NH3 cascade refrigeration system. In: International Congress of Refrigeration, Beijing, China.
4. EES: Engineering Equation Solver,2006
5. Thermodynamic analysis of an R744–R717 cascade refrigeration system;Getu;Int. J. Refrigeration,2008