@misc{indiciae88d68af1ed75,
  title = {The HELP system.},
  author = {T A Pryor and R M Gardner and P D Clayton and H R Warner},
  year = {1983},
  doi = {10.1007/bf00995116},
  url = {https://pubmed.ncbi.nlm.nih.gov/6688267/},
  note = {Source identifier: 6688267}
}