@misc{indiciae17491cad2d36,
  title = {Alpha envelope detection and distortion. A polyphase rectifier circuit.},
  author = {E Pasquali},
  year = {1969},
  doi = {10.1016/0013-4694(69)90041-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/4183187/},
  note = {Source identifier: 4183187}
}