@article{21373,
      author       = "Ledersteger, Karl and XII Assemblée Génerale de l'UGGI a
                      Helsinki, 1960",
      title        = "On the Theory of the Earth's Normal Spheroid. - The
                      Theoretical Solution of the Total Problem of the Earths
                      Figure. - On the Problem of the Density - law of the One -
                      parametric Heterogeneous Equilibrium Figures  ",
      year         = "1960",
      note         = "1 sv.",
}