@misc{indiciae1dba4f932407,
  title = {Modified expression for bulb-tracer depletion—Effect on argon dating standards},
  author = {Robert J. Fleck and Andrew T. Calvert},
  year = {2014},
  doi = {10.1002/2013gc005205},
  url = {https://pubs.usgs.gov/publication/70188872},
  note = {Source identifier: 70188872}
}