@misc{indiciae8169ff1acd09,
  title = {A gate-controlled bidirectional spin filter using quantum coherence.},
  author = {J A Folk and R M Potok and C M Marcus and V Umansky},
  year = {2003},
  doi = {10.1126/science.1078419},
  url = {https://pubmed.ncbi.nlm.nih.gov/12560544/},
  note = {Source identifier: 12560544}
}