@inbook{74332,
  author = {ECMWF},
  title = {IFS Documentation CY28R1 - Part V: The Ensemble Prediction System},
  abstract = {<p>
  Chapter 1. Theory<br>Chapter 2. Computational details<br>References</p>
},
  year = {2004},
  journal = {IFS Documentation CY28R1},
  number = {5},
  month = {2004},
  publisher = {ECMWF},
  url = {https://www.ecmwf.int/node/9215},
  doi = {10.21957/hs5wwkzi},
  note = {<p>
  The attached document refers to Cycle 25R1; it seems there is no document specific to Cycle 28R1?</p>
},
  language = {eng},
}