@phdthesis{76784,
  author = {A. Untch and M. Hortal},
  title = {Recent developments in the vertical discretization of the ECMWF model impacting on the stratosphere and tropopause},
  year = {2004},
  journal = {ECMWF/SPARC Workshop on Modelling and Assimilation for the Stratosphere and Tropopause, 23 to 26 June 2003},
  pages = {179-190},
  month = {2004},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}