@article{CLARMANN05_JGR_SOL,
   author = "T. von Clarmann and N. Glatthor and M. H{\"o}pfner and S. Kellmann
             and R. Ruhnke and G. P. Stiller and H. Fischer and B. Funke and
             S. Gil-L{\'o}pez and M. L{\'o}pez-Puertas",
   title  = "Experimental Evidence of Perturbed Odd Hydrogen and Chlorine
             Chemistry After the {O}ctober 2003 Solar Proton Events",
   journal= "J. Geophys. Res.",
   volume = "110", 
   number = "A9",
   eid    = "A09S45",
   doi    = " 10.1029/2005JA011053",
   year   = "2005"   }