1. (In French)Transition énergétique Québec (2018). Programme ÉcoPerformance – Cadre Normatif. Available at: http://www.transitionenergetique.gouv.qc.ca/fileadmin/medias/pdf/ecoperformance/Cadre-normatif-EcoPerformance-31-01-2018.pdf.
2. (In Japanese)Government of Japan. Ministry of the Environment. Government of Japan (2018). Budget for Natural Refrigerant Subsidies in Japan for 2019 Financial Year (FY2019). Available at: http://www.env.go.jp/earth/earth/ondanka/mat31y_01-06.pdf.
3. ASHRAE (2017). ASHRAE Position Document on: Ammonia as a Refrigerant. p. 7. Available at: https://www.ashrae.org/File%20Library/About/Position%20Documents/Ammonia-as-a-Refrigerant-PD-2017.pdf.
4. California Air Resources Board (CARB) (2017). Short-Lived Climate Pollutant Reduction Strategy. p. 6. Available at: https://www.arb.ca.gov/cc/shortlived/meetings/03142017/final_slcp_report.pdf.
5. California Senate Bill No. 1013 (2018). Chapter 375. Available at: http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180SB1013.