@misc{indiciae0986520ac809,
  title = {S1 >= 2 wormholes.},
  author = {BJ Keay and R Laflamme},
  year = {1989},
  doi = {10.1103/physrevd.40.2118},
  url = {https://pubmed.ncbi.nlm.nih.gov/10012042/},
  note = {Source identifier: 10012042}
}