@phdthesis{73441,
  author = {Erik Andersson},
  title = {Implementation of variational quality control},
  year = {1996},
  journal = {Seminar on Data Assimilation, 2-6 September 1996},
  pages = {633-644},
  month = {1996},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}