@article{STILLER05_JGR_HNO3, author = "G. P. Stiller and G. {Mengistu Tsidu} and T. von Clarmann and N. Glatthor and M. H{\"o}pfner and S. Kellmann and A. Linden and R. Ruhnke and H. Fischer and M. L{\'o}pez-Puertas and B. Funke and S. Gil-L{\'o}pez", title = "An enhanced {HNO}$_3$ second maximum in the {A}ntarctic mid--winter upper stratosphere 2003", journal= "J. Geophys. Res.", volume = "110", number = "D20", eid = "D20303", doi = "10.1029/2005JD006011", year = "2005" }