@misc{indiciae91c015dadaad,
  title = {Not the "Dark Ages".},
  author = {W C Barker and R S Ledley},
  year = {1996},
  doi = {10.1126/science.273.5272.165a},
  url = {https://pubmed.ncbi.nlm.nih.gov/8668986/},
  note = {Source identifier: 8668986}
}