@misc{indiciae0339cb807433,
  title = {Axion string constraints.},
  author = {RA Battye and EP Shellard},
  year = {1994},
  doi = {10.1103/physrevlett.73.2954},
  url = {https://pubmed.ncbi.nlm.nih.gov/10057245/},
  note = {Source identifier: 10057245}
}