@misc{indiciae92d70cc3c28a,
  title = {Surface flux pinning in YBa2Cu3O7- delta.},
  author = {RB Flippen and TR Askew and JA Fendrich and van der Beek CJ},
  year = {1995},
  doi = {10.1103/physrevb.52.r9882},
  url = {https://pubmed.ncbi.nlm.nih.gov/9980138/},
  note = {Source identifier: 9980138}
}