@misc{indiciaeaf8835bace92,
  title = {Persistent currents in small one-dimensional metal rings.},
  author = {HF Cheung and Y Gefen and EK Riedel and WH Shih},
  year = {1988},
  doi = {10.1103/physrevb.37.6050},
  url = {https://pubmed.ncbi.nlm.nih.gov/9943835/},
  note = {Source identifier: 9943835}
}