@misc{indiciaecf4d39bab2d8,
  title = {Event horizons in numerical relativity: Methods and tests.},
  author = {J Libson and J Massó and E Seidel and WM Suen and P Walker},
  year = {1996},
  doi = {10.1103/physrevd.53.4335},
  url = {https://pubmed.ncbi.nlm.nih.gov/10020431/},
  note = {Source identifier: 10020431}
}