@article{68,
      author       = "3rd Intarnational Symposium Geodesy and Physics of the
                      Earth. GDR Weimar, October 25 th - 31 st, 1976",
      title        = "3rd International Symposium Geodesy and Physic of the
                      Earth. GDR Weimar, October 25 th - 31 st, 1976. Proceedings
                      Part 1  ",
      year         = "1977",
      note         = "2 x 1 sv., Tištěno jako rkp.",
}