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2. ASHRAE, December 15, 2008. Proposed addendum z to Standard 34-2007. Designation and Safety Classification of Refrigerants. Available from: https://osr.ashrae.org/Public%20Review%20Draft%20Standards%20Lib/34z-2007%201st%20PPR%20Draft.pdf.
3. Predicting performance of refrigerants using the Peng–Robinson Equation of State;Brown;International Journal of Refrigeration,2007
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5. Brown, J.S., 2007c. Evaluation of potential R-22 substitute refrigerants using fundamental thermodynamic parameters. In: Proceedings of the 22nd IIR International Congress of Refrigeration, August 21–26, Beijing, China.