@Article{acp-9-5343-2009,
AUTHOR = {Schnadt Poberaj, C. and Staehelin, J. and Brunner, D. and Thouret, V. and De Backer, H. and St\"ubi, R.},
TITLE = {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},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {9},
YEAR = {2009},
NUMBER = {14},
PAGES = {5343--5369},
URL = {http://www.atmos-chem-phys.net/9/5343/2009/},
DOI = {10.5194/acp-9-5343-2009}
}