@misc{78571,
  keywords = {High performance computing},
  author = {Y. Trémolet and Mike Fisher and Deborah Salmond and Anne Fouilloux and Tomas Wilhelmsson},
  title = {4D-Var, scalability and code design},
  year = {2010},
  month = {2010},
  url = {https://www.ecmwf.int/node/15059},
  language = {eng},
}