@misc{indiciae70cb68de930c,
  title = {Aluminum substitution in Ba2YCu3O7.},
  author = {T Siegrist and LF Schneemeyer and JV Waszczak and NP Singh and RL Opila and B Batlogg and LW Rupp and DW Murphy},
  year = {1987},
  doi = {10.1103/physrevb.36.8365},
  url = {https://pubmed.ncbi.nlm.nih.gov/9942653/},
  note = {Source identifier: 9942653}
}