@phdthesis{74549,
  author = {P. Gauthier and M. Buehner and L. Fillion},
  title = {Background-error statistics modelling in a 3D variational data assimilation scheme estimation and impact on the analyses},
  year = {1999},
  journal = {Workshop on Diagnosis of Data Assimilation Systems, 2 - 4 November 1998},
  pages = {131-146},
  month = {1999},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}