@misc{indiciaea25b90939245,
  title = {Broken-dimer model in a-Si:H.},
  author = {JJ Koulmann and D Muller and F Ringeisen and D Bolmont},
  year = {1989},
  doi = {10.1103/physrevb.39.8768},
  url = {https://pubmed.ncbi.nlm.nih.gov/9947602/},
  note = {Source identifier: 9947602}
}