@misc{indiciae343ed5e9367d,
  title = {Cosmological cosmic strings.},
  author = {R Gregory},
  year = {1989},
  doi = {10.1103/physrevd.39.2108},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959890/},
  note = {Source identifier: 9959890}
}