@misc{indiciae7919c3663cac,
  title = {Learning principles.},
  author = {S Spreat and S R Spreat},
  year = {1982},
  doi = {10.1016/s0195-5616(82)50104-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6131554/},
  note = {Source identifier: 6131554}
}