@misc{indiciae021262a20f8e,
  title = {Roton-vortex interactions in superfluid helium.},
  author = {RA Ferrell and B Kyung},
  year = {1991},
  doi = {10.1103/physrevlett.67.1003},
  url = {https://pubmed.ncbi.nlm.nih.gov/10045045/},
  note = {Source identifier: 10045045}
}