@article{27171,
      author       = "Morelli, C and 4. konference Mezinárodní gravimetrické
                      komise Paříž 1962",
      title        = "Report of the Special Study Group n. 5 on the Absolute and
                      First Order World Net to the Paris, Sept. 1962 Meetin of the
                      Intern. Gravity Commission  ",
      year         = "1962",
      note         = "1 sv.",
}