@misc{indiciae92693d6daaf3,
  title = {Charge-transfer excitations on a linear chain.},
  author = {K Heldmann and WG Teich and G Mahler},
  year = {1991},
  doi = {10.1103/physrevb.44.3829},
  url = {https://pubmed.ncbi.nlm.nih.gov/10000011/},
  note = {Source identifier: 10000011}
}