@article{540,
      author       = "WTUSM Wuhan and 19. IUGG - Vancouver, Aug. 9-22, 1987",
      title        = "A volume of the contributions to XIXth IUGG - IAG General
                      Assembly  ",
      year         = "1987",
      note         = "Liter., obr., tab., 1 sv.",
}