@Article{acpd-8-16713-2008,
AUTHOR = {Chen, D. and Zhou, B. and Beirle, S. and Chen, L. M. and Wagner, T.},
TITLE = {Tropospheric NO$_{2}$ column densities deduced from zenith-sky DOAS measurements in Shanghai, China, and their application to satellite validation},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {8},
YEAR = {2008},
NUMBER = {4},
PAGES = {16713--16762},
URL = {http://www.atmos-chem-phys-discuss.net/8/16713/2008/},
DOI = {10.5194/acpd-8-16713-2008}
}