@article{278,
      author       = "Baarda, W. and Second Internat. Symposium on Geodetic
                      Calculations Brussels, 6th - 11th June, 1966",
      title        = "A generalization of the concept strength of figure  ",
      year         = "1962",
      note         = "1 seš., I.A.G. Special Studygroup No 14",
}