@article{4296,
      author       = "Kobold, F. and Hunziker, E. and XII Assemblée Génerale de
                      l'UGGI a Helsinki, 1960",
      title        = "Communication sur La courbure de la verticale  ",
      year         = "1960",
      note         = "1 sv., Schweizerische Geodaetische Kommission",
}