@article{26574,
      author       = "Lejay, Pierre and For presentation at the 11th General
                      Assembly of the IGGU Toronto, Canada - September 1957",
      title        = "Rapport sur l´activite du Bureau Gravimetrique
                      International. L´etablissement d´un reseau mondial
                      homogene  ",
      note         = "1 sv., Association Internationale de Géodésie.",
}