@phdthesis{76865,
  author = {A.T. Weaver},
  title = {3D-Var and 4D-Var approaches to ocean data assimilation},
  year = {2003},
  journal = {ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002},
  pages = {57-66},
  month = {2003},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}