@phdthesis{75311,
  author = {W.A. Lahoz and Alan Geer},
  title = {Some challenges in the assimilation of stratosphere/tropopause satellite data},
  year = {2004},
  journal = {ECMWF/SPARC Workshop on Modelling and Assimilation for the Stratosphere and Tropopause, 23 to 26 June 2003},
  pages = {116-136},
  month = {2004},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}