@article{7547,
      author       = "Thorandt, V. and Reinhold, A. and Ulrich, D. and IAG Sci.
                      Assem., Rio de Janeiro, 1997",
      title        = "Earth orientation parameter analysis from VLBI data  ",
      year         = "1997",
      note         = "Lit. - Res. - 1 sv.",
}