@article{KEIMN09_ACPD, author = "C. Keim and M. Eremenko and J. Orphal and G. Dufour and J.-M. Flaud and M. H{\"o}pfner and A. Boynard and C. Clerbaux and S. Payan and P.-F. Coheur and D. Hurtmans and H. Claude and H. Dier and B. Johnson and H. Kelder and R. Kivi and T. Koide and M. {L{\'o}pez Bartolom{\'e}} and K. Lambkin and D. Moore and F. J. Schmidlin and R. St{\"u}bi", title = "Tropospheric ozone from {IASI}: comparison of different inversion algorithms and validation with ozone sondes in the northern middle latitudes", journal= "Atmos. Chem. Phys. Discuss.", volume = "9", pages = "11,441-11,479", year = "2009" }