@misc{indiciaeb743b8b28e02,
  title = {Global strings and superfluid vortices.},
  author = {RL Davis and EP Shellard},
  year = {1989},
  doi = {10.1103/physrevlett.63.2021},
  url = {https://pubmed.ncbi.nlm.nih.gov/10040742/},
  note = {Source identifier: 10040742}
}