@phdthesis{76839,
  author = {A. von Engeln and Y. Andrew and C. Marquardt and F. Sancho},
  title = {GRAS status and future European GPS radio occultation missions.},
  year = {2008},
  journal = {ECMWF GRAS SAF Workshop on Applications of GPS Radio Occultation Measurements, 16 - 18 June 2008},
  pages = {37-42},
  month = {2008},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}