1. Handbook for the Montreal Protocol on Substances that Deplete the Ozone Layer, Thirteenth edition, United Nations Environment Programme. Ozone Secreteriat, 2019. https://ozone.unep.org/sites/default/files/Handbooks/MP_Handbook_2019.pdf.
2. IPCC, 2013: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovern- mental Panel on Climate Change [Stocker, T.F., D. Qin, G.-K. Plattner, M. Tignor, S.K. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 1535 pp. The download link is: https://www.ipcc.ch/site/assets/uploads/2018/02/WG1AR5_all_final.pdf.
3. The importance of the Montreal Protocol in protecting climate;Velders;Proc. Natl. Acad. Sci. U.S.A.,2007
4. Global emissions of refrigerants HCFC-22 and HFC-134a: Unforeseen seasonal contributions;Xiang;Proc. Natl. Acad. Sci. U.S.A.,2014
5. Kyoto Protocol to the United Nations Framework Convention on Climate Change, United Nations, 1998. https://unfccc.int/resource/docs/convkp/kpeng.pdf.