@phdthesis{73569,
  author = {D.M. Barker and A.M. Clayton},
  title = {Hybrid variational-ensemble data assimilation},
  year = {2012},
  journal = {Seminar on Data assimilation for atmosphere and ocean, 6-9 September 2011},
  pages = {31-44},
  month = {2012},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}