@misc{indiciae8f6306cf0e68,
  title = {Hagen replies.},
  author = {CR Hagen},
  year = {1987},
  doi = {10.1103/physrevlett.59.1982},
  url = {https://pubmed.ncbi.nlm.nih.gov/10035387/},
  note = {Source identifier: 10035387}
}