@phdthesis{75452, author = {A. Lorenc}, title = {Relative merits of 4D-Var and Ensemble Kalman Filter}, year = {2003}, journal = {Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003}, pages = {211-220}, month = {2003}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }