@misc{indiciaeb6f6b4797ef1,
  title = {Cognitive radio.},
  author = {Steven Ashley},
  year = {2006},
  doi = {10.1038/scientificamerican0306-66},
  url = {https://pubmed.ncbi.nlm.nih.gov/16502613/},
  note = {Source identifier: 16502613}
}