@misc{indiciaefd8e66cc986f,
  title = {Band gap in NiO: A cluster study.},
  author = {GJ Janssen and WC Nieuwpoort},
  year = {1988},
  doi = {10.1103/physrevb.38.3449},
  url = {https://pubmed.ncbi.nlm.nih.gov/9946691/},
  note = {Source identifier: 9946691}
}