@mastersthesis{78250,
author = {ECMWF},
title = {Newsletter No. 81 - Autumn 1998},
abstract = {
- Elizabeth Blades - Obituary
- Changes to the Operational Forecasting System
- Recent improvements to the ECMWF 4D-Var data assimilation system
- Recent experiments on 4D-Var and first results from a simplified Kalman filter
- The ECMWF implementation of 3D-Var: Formulation, structure functions and experimental results
- TAN-34 and DAWN - an update
- NAG news
},
year = {1998},
journal = {ECMWF Newsletter},
month = {10/1998},
language = {eng},
}