@phdthesis{77011, author = {Peter van Leeuwen}, title = {Ensemble Kalman filters, sequential importance resampling and beyond}, year = {2003}, journal = {ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002}, pages = {46-56}, month = {2003}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }