@misc{indiciaeeab9eb46b1da,
  title = {Rare earths and other trace elements in Apollo 14 samples.},
  author = {Helmke, P. A. and Haskin, L. A. and Korotev, R. L. and Ziege, K. E.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730034958},
  note = {Source identifier: 19730034958}
}