TY  - GEN
AU  - Jarvinen, H.
AU  - Andersson, E.
AU  - Bouttier, François
TI  - Variational assimilation of time sequences of surface observations with serially correlated errors
T2  - Technical Memorandum
VL  - 266
PY  - 1999///
CY  - Reading
PB  - ECMWF
KW  - PREVISAO NUMERICA
KW  - IM
ER  -