@article{19042,
      author       = "Sünkel, H. and 1. Inter. Symp. Gravity field, Dubrovnik /
                      Hvar, 2. - 7. 10. 1989",
      title        = "Moderne mathematische Methoden zur Bestimmung des
                      Erdschwerefeldes  ",
      year         = "1989",
      note         = "Liter., 1 sv.",
}