@article{WANG07_DY_ACP_HNO3,
   author = "D. Y. Wang and M. H{\"o}pfner and G. {Mengistu Tsidu} and
             G. P. Stiller and T. von Clarmann and H. Fischer and
             T. Blumenstock and N. Glatthor and U. Grabowski and F. Hase
             and S. Kellmann and A. Linden and M. Milz and H. Oelhaf and
             M. Schneider and T. Steck and G. Wetzel and M. L{\'o}pez-Puertas
             and B. Funke and M. E. Koukouli and H. Nakajima and T. Sugita
             and H. Irie and J. Urban and D. Murtagh and M. L. Santee and
             G. Toon and M. R. Gunson and F. W. Irion and C. D. Boone and
             K. Walker and P. F. Bernath",
   title  = "Validation of nitric acid retrieved by the {IMK-IAA}
             processor from {MIPAS/ENVISAT} measurements",
   journal= "Atmos. Chem. Phys.",
   volume = "7",
   pages  = "721-738",
   year   = "2007"   }