@INPROCEEDINGS{WMO13,
 title = {Data assimilation experiments using the {B}ack and {F}orth {N}udging and {NEMO} {OGCM}},
 author = {Auroux, D. and Blum, J. and Cosme, E. and Ourmi\`eres, Y. and Ruggiero, G. and Verron, J.},
 booktitle = {Proc. 6th World Meteorol. Org. Symp. Data Assimilation},
 year = {2013},
}