@misc{indiciaeeb256cdafd8c,
  title = {A new learning package.},
  author = {S R Bickley},
  year = {1989},
  doi = {10.1038/sj.bdj.4806973},
  url = {https://pubmed.ncbi.nlm.nih.gov/2528978/},
  note = {Source identifier: 2528978}
}