@Article{acpd-8-215-2008, AUTHOR = {Xu, X. and Lin, W. and Wang, T. and Yan, P. and Tang, J. and Meng, Z. and Wang, Y.}, TITLE = {Long-term trend of surface ozone at a regional background station in eastern China 1991–2006: enhanced variability}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {8}, YEAR = {2008}, NUMBER = {1}, PAGES = {215--243}, URL = {http://www.atmos-chem-phys-discuss.net/8/215/2008/}, ISSN = {1680-7367} }