TY  - GEN
AU  - Weaver, A.T.
AU  - Courtier, P.
TI  - Correlation modelling on the sphere using a generalized diffusion equation
T2  - ECMWF/Technical Memorandum
VL  - 306
PY  - 2000///
CY  - Reading
PB  - ECMWF
KW  - PREVISAO NUMERICA
KW  - IM
ER  -