@article{Physics.2.71,
  title = {Pushing the envelope of general relativity},
  author = {Nastase, Horatiu},
  journal = {Physics},
  volume = {2},
  issue = {},
  pages = {71},
  numpages = {1},
  year = {2009},
  month = {Aug},
  doi = {10.1103/Physics.2.71},
  url = {http://link.aps.org/doi/10.1103/Physics.2.71},
  publisher = {American Physical Society}
}