@article{11581,
      author       = "Engelhardt, Gerald and RAUSCH, Eberhard",
      title        = "German GPS Reference Network (DREF). Contribution of IFAG
                      to Coordinate Determination  ",
      year         = "1995",
      note         = "Sezn. příl. - Tab. v textu. Obr. v příl. - Lit., 1 sv.",
}