@misc{indiciae99c8800aaf21,
  title = {Strings in two-dimensional classical XY models.},
  author = {DH Lee and G Grinstein},
  year = {1985},
  doi = {10.1103/physrevlett.55.541},
  url = {https://pubmed.ncbi.nlm.nih.gov/10032380/},
  note = {Source identifier: 10032380}
}