@article{30050,
      author       = "IAG Sci. Assem., Rio de Janeiro, 1997",
      title        = "South American Geocentric Reference System (SIRGAS) : Final
                      report : Working group I and II  ",
      year         = "1997",
      note         = "Pres. Luiz Paulo Souto Fortes. - Lit. - 2. vol. příl.
                      (Opening ceremony, Final program). - 1 sv.",
}