@misc{indiciaeec3e07553a9a,
  title = {New topology for spatial infinity?},
  author = {PG Bergmann and GJ Smith},
  year = {1993},
  doi = {10.1103/physrevd.48.5684},
  url = {https://pubmed.ncbi.nlm.nih.gov/10016234/},
  note = {Source identifier: 10016234}
}