@phdthesis{74001,
  author = {C. Chouinard and J. Halle},
  title = {The use of ATOVS data in the CMC 3D variational analysis system: estimation and importance of observation errors},
  year = {1999},
  journal = {ECMWF/EUMETSAT Workshop on Use of ATOVS Data for NWP Assimilation, 2-5 November 1999},
  pages = {79-90},
  month = {1999},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}