@article{35008,
      author       = "IUGG XX General Assembly IAG, Vienna, August 11-24, 1991",
      title        = "U.S National Report 1987 - 1990. Contribution in
                      Solar-Planetary- Relationships  ",
      year         = "1991",
      note         = "Liter. - Obr. v textu",
}