@misc{indiciae49173feec7e7,
  title = {An expanding enigma.},
  author = {E P Hoffman and D Jaffurs},
  year = {1993},
  doi = {10.1016/0960-9822(93)90356-s},
  url = {https://pubmed.ncbi.nlm.nih.gov/15335715/},
  note = {Source identifier: 15335715}
}