Brasseur, P., P. Bahurel, L. Bertino, F. Birol, J.-M. Brankart, N. Ferry, S. Losa, E. Rémy, J. Schröter, S. Skachko, C.-E. Testut, B. Tranchant, P. J. van Leeuwen and J. Verron, 2005 : Data assimilation for marine monitoring and prediction: The MERCATOR operational assimilation systems and the MERSEA developments, Q. J. R. Meteor. Soc., 131, 613, 3561-3582, doi:10.1256/qj.05.142