@misc{indiciae3065bb323651,
  title = {Spin-cluster states in CuO2 planes.},
  author = {G Seibold and E Sigmund and V Hizhnyakov},
  year = {1993},
  doi = {10.1103/physrevb.48.7537},
  url = {https://pubmed.ncbi.nlm.nih.gov/10006922/},
  note = {Source identifier: 10006922}
}