@misc{indiciae98f6418aeab7,
  title = {A pattern recognition method of learning Morse code.},
  author = {M D ALLAN},
  year = {1958},
  doi = {10.1111/j.2044-8295.1958.tb00639.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13536308/},
  note = {Source identifier: 13536308}
}