@phdthesis{74470, author = {L. Fillion and M. Tanguay and E. Lapalme and B. Denis and Z. Liu and N. Ek and M. Desgagné and V. Lee and S. Pellerin}, title = {Case dependent implicit normal mode balance operators}, year = {2007}, journal = {ECMWF Workshop on Flow-dependent aspecyts of data assimilation, 11-13 June 2007}, pages = {11-25}, month = {2007}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }