@misc{74499,
  author = {J-F. Flobert and Erik Andersson and A. Chedin and G.A. Kelly and J. Pailleux and N.A. Scott},
  title = {Data assimilation and forecast experiment at ECMWF using the '3I' retrieval scheme for satellite soundings},
  year = {1989},
  journal = {ECMWF Technical Memoranda},
  number = {156},
  pages = {42},
  month = {10/1989},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  url = {https://www.ecmwf.int/node/9430},
  doi = {10.21957/at98j6ftq},
  language = {eng},
}