@Article{acpd-7-1327-2007, AUTHOR = {Chevalier, A. and Gheusi, F. and Delmas, R. and Ordó\ nez, C. and Sarrat, C. and Zbinden, R. and Thouret, V. and Athier, G. and Cousin, J.-M.}, TITLE = {Influence of altitude on ozone levels and variability in the lower troposphere: a ground-based study for western Europe over the period 2001–2004}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {7}, YEAR = {2007}, NUMBER = {1}, PAGES = {1327--1356}, URL = {http://www.atmos-chem-phys-discuss.net/7/1327/2007/}, ISSN = {1680-7367} }