@article{17100,
      author       = "Wyrzykowski, T. and IUGG - IAG, 15th General Assembly
                      Moscow, 1 - 14 August 1971",
      title        = "Map of Recent absolute Velocities of Vertical Movements of
                      the Earths Crust Surface on the Territory of Poland  ",
      note         = "1 sv.",
}