@Article{acp-23-2251-2023,
AUTHOR = {Li, Y. and Mahnke, C. and Rohs, S. and Bundke, U. and Spelten, N. and Dekoutsidis, G. and Gro{\ss}, S. and Voigt, C. and Schumann, U. and Petzold, A. and Kr\"amer, M.},
TITLE = {Upper-tropospheric slightly ice-subsaturated regions: frequency of occurrence and statistical evidence for the appearance of contrail cirrus},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {23},
YEAR = {2023},
NUMBER = {3},
PAGES = {2251--2271},
URL = {https://acp.copernicus.org/articles/23/2251/2023/},
DOI = {10.5194/acp-23-2251-2023}
}