@phdthesis{73759,
  author = {Niels Bormann and Massimo Bonavita and A. McNally},
  title = {Progress towards better representation of observation and background errors in 4DVAR},
  year = {2015},
  journal = {Seminar on Use of Satellite Observations in Numerical Weather Prediction, 8-12 September 2014},
  month = {2015},
  address = {Shinfield Park, Reading},
  language = {eng},
}