@misc{indiciaea4c874b8d898,
  title = {Stark quantization in superlattices.},
  author = {R Tsu and L Esaki},
  year = {1991},
  doi = {10.1103/physrevb.43.5204},
  url = {https://pubmed.ncbi.nlm.nih.gov/9997911/},
  note = {Source identifier: 9997911}
}