@misc{indiciaea0a737674b44,
  title = {Citation indexing for studying science.},
  author = {P T Oliver},
  year = {1970},
  doi = {10.1038/227870b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5432258/},
  note = {Source identifier: 5432258}
}