TY - GEN
AU - P. Undén
AU - G.A. Kelly
AU - D. Le Meur
AU - L. Isaksen
BT - ECMWF Technical Memoranda
CY - Shinfield Park, Reading
DA - 12/1997
DO - 10.21957/2rglefpmo
LA - eng
M1 - 244
PB - ECMWF
PP - Shinfield Park, Reading
PY - 1997
EP - 32
T2 - ECMWF Technical Memoranda
TI - Observing system experiments with the 3D-Var assimilation system
UR - https://www.ecmwf.int/node/12870
ER -