@article{12309,
      author       = "High Precision Geodetic Length Measurements. Proceedings of
                      the IAG - Symposium. June 19-22, 1978, Helsinky, Finland",
      title        = "High Precision Geodetic Length Measurements. Proceedings of
                      the IAG - Symposium. June 19-22, 1978, Helsinky, Finland  ",
      year         = "1980",
      note         = "1 sv., Fot., obr. a tb. v textu. - Liter.",
}