@misc{indiciaea95abef1392a,
  title = {Abundances of Li, Rb, and Sr in W-2, BCR-1, and AC-E determined by isotope dilution mass spectroscopy},
  author = {Norma Rait and F.G. Walthall and J.A. Philpotts},
  year = {1993},
  doi = {10.3133/ofr93267},
  url = {https://pubs.usgs.gov/publication/ofr93267},
  note = {Source identifier: ofr93267}
}