@misc{indiciaeab1082aceff2,
  title = {Electron-beam collimation with a quantum point contact.},
  author = {LW Molenkamp and AA Staring and CW Beenakker and R Eppenga and CE Timmering and JG Williamson and CJ Harmans and CT Foxon},
  year = {1990},
  doi = {10.1103/physrevb.41.1274},
  url = {https://pubmed.ncbi.nlm.nih.gov/9993839/},
  note = {Source identifier: 9993839}
}