TY  - GEN
AU  - Emmerich, P.
AU  - Kallberg, P.
TI  - statistical assessment of an observing system experiment based on frequency distributions of 500 hPa differences
T2  - ECMWF Technical Memorandum
PY  - 1985///
CY  - Reading
PB  - ECMWF
KW  - MODELOS MATEMATICOS
KW  - IM
ER  -