@Article{amtd-2-781-2009,
AUTHOR = {Zhou, Y. and Brunner, D. and Boersma, K. F. and Dirksen, R. and Wang, P.},
TITLE = {An improved tropospheric NO$_{2}$ retrieval for satellite observations in the vicinity of mountainous terrain},
JOURNAL = {Atmospheric Measurement Techniques Discussions},
VOLUME = {2},
YEAR = {2009},
NUMBER = {2},
PAGES = {781--824},
URL = {http://www.atmos-meas-tech-discuss.net/2/781/2009/},
DOI = {10.5194/amtd-2-781-2009}
}