@inproceedings{GOBIET05_CHAMP,
   author = "A. Gobiet and G. Kirchengast and J. Wickert and A. K. Steiner
             and D.-Y. Wang and C. Retscher and A. Hauchecorne",
   title  = "Evaluation of stratospheric radio occultation retrieval using
             data from {CHAMP, MIPAS, GOMOS, and ECMWF} analysis fields",
   editor = "C. Reigber and H. L{\"u}hr and P. Schwintzer and J. Wickert",
   booktitle= "Earth Observation with CHAMP: Results from Three Years in Orbit",
   publisher= "Springer--Verlag Berlin Heidelberg New York",
   pages    = "531-536",
   year   = "2005"  }