@article{26865,
      author       = "Mueller, Ivan I. and Ohio State University Columbus and
                      Internat. Summer School of Theor. Geodesy. Assisi, Italy,
                      23.5. - 3.6. 1988",
      title        = "Reference coordinate systems: an update  ",
      year         = "1988",
      note         = "Obr. a tab. v textu. - Liter. - 4 příl., 1 sv.",
}