@phdthesis{74853, author = {A. Hollingsworth}, title = {GEMS - global earth-system monitoring using space and in-situ data}, year = {2003}, journal = {Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003}, pages = {449-462}, month = {2003}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }