@phdthesis{74151,
  author = {D.P. Dee},
  title = {An adaptive scheme for cycling background error variances during data assimilation},
  year = {2003},
  journal = {ECMWF/GEWEX Workshop on Humidity Analysis, 8-11 July 2002},
  pages = {19-32},
  month = {2003},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}