@misc{indiciaef481a7b606d0,
  title = {Modified form of the cluster-variation method.},
  author = {JM Bell},
  year = {1987},
  doi = {10.1103/physrevb.35.3783},
  url = {https://pubmed.ncbi.nlm.nih.gov/9941899/},
  note = {Source identifier: 9941899}
}