@article{20306,
      author       = "Goenner, H. and Grafarend, E. W. and You, R. J. and I.
                      Inter. Symp. Mathem. and Physic. Foundat. Geodesy -
                      Stuttgart 1993",
      title        = "Newton mechanics as geodesie flow on Maupertuis manifolds:
                      The local isometric embedding into flat spaces  ",
      year         = "1993",
      note         = " sv.",
}