@misc{indiciae25dd359c72b9,
  title = {IUPAC Periodic Table of the Isotopes},
  author = {N.E. Holden and T.B. Coplen and J.K. Böhlke and M.E. Wieser and G. Singleton and T. Walczyk and S. Yoneda and P.G. Mahaffy and L.V. Tarbox},
  year = {2011},
  url = {https://pubs.usgs.gov/publication/70042849},
  note = {Source identifier: 70042849}
}