@Article{acpd-5-5957-2005, AUTHOR = {Jonson, J. E. and Simpson, D. and Fagerli, H. and Solberg, S.}, TITLE = {Can we explain the trends in European ozone levels?}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {5}, YEAR = {2005}, NUMBER = {4}, PAGES = {5957--5985}, URL = {http://www.atmos-chem-phys-discuss.net/5/5957/2005/}, ISSN = {1680-7367} }