@inproceedings{Francaviglia:2012UO,
  author = "Francaviglia, Mauro  and  Fatibene, Lorenzo",
  title = "{From the Ehlers-Pirani-Schild analysis on the foundations of gravitational theories to extended theories of gravity and dark matter}",
  doi = "10.22323/1.155.0054",
  booktitle = "Proceedings of Proceedings of the Corfu Summer Institute 2011  {\textemdash} PoS(CORFU2011)",
  year = 2012,
  volume = "155",
  pages = "054"
}