TY - CPAPER AU - F. Bouttier BT - Seminar on Data Assimilation, 2-6 September 1996 CY - Shinfield Park, Reading DA - 1996 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1996 SP - 61 EP - 90 T2 - Seminar on Data Assimilation, 2-6 September 1996 TI - Application of Kalman filtering to numerical weather prediction ER -