@misc{indiciae1d7cea930797,
  title = {Potassium, rubidium, strontium, thorium, uranium, and the ratio of strontium-87 to strontium-86 in oceanic tholeiitic basalt},
  author = {M. Tatsumoto and C. E. Hedge and A.E.J. Engel},
  year = {1965},
  doi = {10.1126/science.150.3698.886},
  url = {https://pubs.usgs.gov/publication/70010445},
  note = {Source identifier: 70010445}
}