Reference

Randel WJ, Polvani L, Wu F, Kinnison DE, Zou CZ & Mears C (2017). Troposphere-stratosphere temperature trends derived from satellite data compared with ensemble simulations from WACCM. Journal of Geophysical Research: Atmospheres 122(18):9651–9667.
WMO (World Meteorological Organization) (2018). Scientific assessment of ozone depletion: 2018, Global ozone research and monitoring project – report no. 58, WMO, Geneva, Switzerland.