TY - GEN AU - Mike Fisher BT - ECMWF Technical Memoranda CY - Shinfield Park, Reading DA - 09/1998 DO - 10.21957/vz40cqca4 LA - eng M1 - 260 PB - ECMWF PP - Shinfield Park, Reading PY - 1998 EP - 16 T2 - ECMWF Technical Memoranda TI - Development of a simplified Kalman filter UR - https://www.ecmwf.int/node/9401 ER -