@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.", }