TY - GEN
KW - newsletter
AU - Marco Matricardi
BT - ECMWF Newsletter
C1 - Research
DA - 2015
DO - 10.21957/ncg6fwoi
IS - 142
LA - eng
M3 - Meteorology
PB - ECMWF
PY - 2015
SE - Meteorology
SP - 23
EP - 27
T2 - ECMWF Newsletter
TI - The direct assimilation of principal components
UR - https://www.ecmwf.int/node/17332
ER -