TY - CPAPER AU - K Arpe BT - Seminar on 10 years of Medium-range Weather Forecasting, 4-8 September 1989 CY - Shinfield Park, Reading DA - 1989 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 1989 SP - 69 EP - 114 T2 - Seminar on 10 years of Medium-range Weather Forecasting, 4-8 September 1989 TI - Impacts of changes in the ECMWF analysis-forecasting scheme on the systematic error of the model VL - I ER -