@misc{indiciaeec625b4d661f,
  title = {Competing order parameters for increased Tc in "polytype" multilayer Cu-O systems.},
  author = {JL Birman and JP Lu},
  year = {1989},
  doi = {10.1103/physrevb.39.2238},
  url = {https://pubmed.ncbi.nlm.nih.gov/9948459/},
  note = {Source identifier: 9948459}
}