[6] Carrier introduces [R-454B] Puron Advance™ as the next generation refrigerant for ducted residential, light commercial products in North America | Indianapolis - 19 December 2018
Maté, John (2001). "Making a Difference: A Case Study of the Greenpeace Ozone Campaign". Review of European Community & International Environmental Law. 10 (2): 190–198. doi:10.1111/1467-9388.00275.
"1:Update on Ozone-Depleting Substances (ODSs) and Other Gases of Interest to the Montreal Protocol". Scientific assessment of ozone depletion: 2018(PDF) (Global Ozone Research and Monitoring Project–Report No. 58 ed.). Geneva, Switzerland: World Meteorological Organization. 2018. p. 1.10. ISBN978-1-7329317-1-8. Retrieved 22 November 2020.
"Conversion R12/R134a"(PDF). Behr Hella Service GmbH. 1 October 2005. Retrieved 27 July 2023.
thenationshealth.org
Harris, Catharine. "Anti-inhalant Abuse Campaign Targets Building Codes: 'Huffing’ of Air Conditioning Refrigerant a Dangerous Risk." The Nation's Health. American Public Health Association, 2010. Web. 5 December 2010. https://www.thenationshealth.org/content/39/4/20