@phdthesis{77015,
  author = {L. van den Berg and J. Schmetz and J. Hoffman},
  title = {Present day status and ongoing developments of two meteorological products at ESOC},
  year = {1989},
  journal = {Second Workshop on Meteorological Operational Systems, 4-8 December 1989},
  pages = {22-26},
  month = {1989},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}