@phdthesis{74525,
  author = {U.M. Freitas and R.C. Camara},
  title = {Data modelling for environmental data bases: The METDATA system},
  year = {1991},
  journal = {Third Workshop on Meteorological Operational Systems, 18-22 November 1991},
  pages = {106-114},
  month = {1991},
  publisher = {ECMWF},
  address = {Shinfield Park, Reading},
  language = {eng},
}