@article{Boersma_2004,
title={Error analysis for tropospheric NO2 retrieval from space},
volume={109},
ISSN={0148-0227},
url={http://dx.doi.org/10.1029/2003jd003962},
DOI={10.1029/2003jd003962},
number={D4},
journal={Journal of Geophysical Research: Atmospheres},
publisher={American Geophysical Union (AGU)},
author={Boersma,
K. F. and Eskes,
H. J. and Brinksma,
E. J.},
year={2004},
month=feb }