TY - CPAPER AU - A. Lorenc BT - Seminar on Data Assimilation Systems and Observing System Experiments with Particular Emphasis on FGGE, 3-7 September 1984 CY - Shinfield Park, Reading DA - 1984 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1984 SP - 191 EP - 214 T2 - Seminar on Data Assimilation Systems and Observing System Experiments with Particular Emphasis on FGGE, 3-7 September 1984 TI - Data assimilation by repeated insertion into a forecast model - principles, practice and plans VL - II ER -