@phdthesis{75460,
  author = {A. Lorenc},
  title = {Developments of variational data assimilation},
  year = {2012},
  journal = {Seminar on Data assimilation for atmosphere and ocean, 6-9 September 2011},
  pages = {1-15},
  month = {2012},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}