@misc{indiciaeb98e741ed802,
  title = {A computer-assisted personal literature reference system.},
  author = {W H Calvin},
  year = {1972},
  doi = {10.1016/0010-468x(72)90017-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4669758/},
  note = {Source identifier: 4669758}
}