@misc{indiciae66b613802e00,
  title = {Negative differential conductance in quantum waveguides.},
  author = {C Berven and MN Wybourne and A Ecker and SM Goodnick},
  year = {1994},
  doi = {10.1103/physrevb.50.14639},
  url = {https://pubmed.ncbi.nlm.nih.gov/9975698/},
  note = {Source identifier: 9975698}
}