@misc{indiciaee2c7bd010093,
  title = {Why is spacetime Lorentzian?},
  author = {A Carlini and J Greensite},
  year = {1994},
  doi = {10.1103/physrevd.49.866},
  url = {https://pubmed.ncbi.nlm.nih.gov/10017043/},
  note = {Source identifier: 10017043}
}