@inbook{74339, author = {ECMWF}, title = {IFS Documentation CY31R1 - Part V: The Ensemble Prediction System}, abstract = {
Chapter 1. Theory
Chapter 2. Computational details: definition of the initial perturbations
Chapter 3. Computational details: non-linear integrations
References
Operational implementation 12 September 2006
}, language = {eng}, }