@article{WETZEL07_ACP, author = "G. Wetzel and A. Bracher and B. Funke and F. Goutail and F. Hendrick and J.-C. Lambert and S. Mikuteit and C. Piccolo and M. Pirre and A. Bazureau and C. Belotti and T. Blumenstock and M. De Mazi{\`e}re and H. Fischer and N. Huret and D. Ionov M. L{\'o}pez-Puertas and G. Maucher and H. Oelhaf and J.-P. Pommereau and R. Ruhnke and M. Sinnhuber and G. Stiller and M. {Van Roozendael} and G. Zhang", title = "Validation of {MIPAS-ENVISAT NO}$_2$ operational data", journal= "Atmos. Chem. Phys.", volume = "7", pages = "3261-3284", year = "2007" }