@Article{acpd-4-6503-2004,
AUTHOR = {Konovalov, I. B. and Beekmann, M. and Vautard, R. and Burrows, J. P. and Richter, A. and Nüß, H. and Elansky, N.},
TITLE = {Comparison and evaluation of modelled and GOME measurement derived tropospheric NO$_{2}$ columns over Western and Eastern Europe},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {4},
YEAR = {2004},
NUMBER = {5},
PAGES = {6503--6558},
URL = {http://www.atmos-chem-phys-discuss.net/4/6503/2004/},
ISSN = {1680-7367}
}