TY - CPAPER AU - L. Fillion AU - M. Tanguay AU - E. Lapalme AU - B. Denis AU - Z. Liu AU - N. Ek AU - M. Desgagné AU - V. Lee AU - S. Pellerin BT - ECMWF Workshop on Flow-dependent aspecyts of data assimilation, 11-13 June 2007 CY - Shinfield Park, Reading DA - 2007 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2007 SP - 11 EP - 25 T2 - ECMWF Workshop on Flow-dependent aspecyts of data assimilation, 11-13 June 2007 TI - Case dependent implicit normal mode balance operators ER -