@inproceedings{Kerner:2009+C,
  author = "Kerner, Richard",
  title = "{New approximation methods in General Relativity: geodesic deviations and deformations of embeddings}",
  doi = "10.22323/1.081.0015",
  booktitle = "Proceedings of 5th International School on Field Theory and Gravitation {\textemdash} PoS(ISFTG)",
  year = 2009,
  volume = "081",
  pages = "015"
}