@inbook{81367,
  author = {ECMWF},
  title = {IFS Documentation CY48R1 - Part I: Observations},
  abstract = {<p>Chapter 1 Overview : The observation world<br />
Chapter 2 Preparation of observations<br />
Chapter 3 Observation operators<br />
Chapter 4 Screening<br />
Chapter 5 Deprecated areas<br />
Chapter 6 Tables, codes and flags</p>
},
  year = {2023},
  journal = {IFS Documentation CY48R1},
  number = {1},
  month = {06/2023},
  publisher = {ECMWF},
  doi = {10.21957/0f360ba4ca},
}