@misc{indiciae23db6fa745c4,
  title = {High-temperature superconductivity in a Y-Ba-Cu-based system without extraneous oxygen.},
  author = {NA Khan and MZ Iqbal and N Baber and S Afzal and US Qurashi and G Afshan and M Mazhar},
  year = {1991},
  doi = {10.1103/physrevb.43.13622},
  url = {https://pubmed.ncbi.nlm.nih.gov/9997201/},
  note = {Source identifier: 9997201}
}