@article{43012,
      author       = "IUGG - IAG, 15th General Assembly Moscow, 1 - 14 August
                      1971",
      title        = "Publication Spéciale du Bulletin Géodésique. Geodetic
                      Reference System 1967",
      year         = "1967",
      note         = "1 sv., 115 s., 20.00.,",
}