@misc{indiciaed8df37677680,
  title = {Mechanism for current generation in strings and internal phase transitions in strings.},
  author = {SM Barr and AM Matheson},
  year = {1989},
  doi = {10.1103/physrevd.39.412},
  url = {https://pubmed.ncbi.nlm.nih.gov/9959651/},
  note = {Source identifier: 9959651}
}