@misc{indiciae9236012ed15d,
  title = {Astronomy. Heavy elements in stars.},
  author = {Arnold I Boothroyd},
  year = {2006},
  doi = {10.1126/science.1136842},
  url = {https://pubmed.ncbi.nlm.nih.gov/17170281/},
  note = {Source identifier: 17170281}
}