6 citations as recorded by crossref.

1. Tropospheric Ozone Assessment Report: Tropospheric ozone from 1877 to 2016, observed levels, trends and uncertainties D. Tarasick et al. 10.1525/elementa.376
2. Long-term changes in UT/LS ozone between the late 1970s and the 1990s deduced from the GASP and MOZAIC aircraft programs and from ozonesondes C. Schnadt Poberaj et al. 10.5194/acp-9-5343-2009
3. In‐flight comparison of Brewer‐Mast and electrochemical concentration cell ozonesondes R. Stübi et al. 10.1029/2007JD009091
4. An aircraft‐based upper troposphere lower stratosphere O3, CO, and H2O climatology for the Northern Hemisphere S. Tilmes et al. 10.1029/2009JD012731
5. Tropospheric Ozone at Northern Mid-Latitudes: Modeled and Measured Long-Term Changes J. Staehelin et al. 10.3390/atmos8090163
6. Summertime buildup and decay of lightning NOx and aged thunderstorm outflow above North America O. Cooper et al. 10.1029/2008JD010293