@misc{indiciae622a3f9b5805,
  title = {Racemization and epimerization.},
  author = {W T Smith and K A Kvenvolden},
  year = {1971},
  doi = {10.1126/science.172.3981.403},
  url = {https://pubmed.ncbi.nlm.nih.gov/5550493/},
  note = {Source identifier: 5550493}
}