@misc{indiciae16ba85a8cf44,
  title = {A method for storing a program of stimuli and responses on magnetic tape using frequency coding.},
  author = {L R Hartley},
  year = {1972},
  doi = {10.1111/j.1469-8986.1972.tb03223.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5034127/},
  note = {Source identifier: 5034127}
}