@misc{indiciae28cf9c47e0e0,
  title = {Astrophysics: testing time for gravity.},
  author = {E P J Van Den Heuvel},
  year = {2003},
  doi = {10.1038/426504a},
  url = {https://pubmed.ncbi.nlm.nih.gov/14654823/},
  note = {Source identifier: 14654823}
}