@misc{indiciae9d9503725a22,
  title = {Precursory singularities in spherical gravitational collapse.},
  author = {K Lake},
  year = {1992},
  doi = {10.1103/physrevlett.68.3129},
  url = {https://pubmed.ncbi.nlm.nih.gov/10045621/},
  note = {Source identifier: 10045621}
}