@misc{indiciae60b96adaabab,
  title = {Refined thorium abundances for lunar red spots: Implications for evolved, nonmare volcanism on the Moon},
  author = {Justin Hagerty and D. J. Lawrence and B. R. Hawke and D. T. Vaniman and R.C. Elphic and William C. Feldman},
  year = {2006},
  doi = {10.1029/2005je002592},
  url = {https://pubs.usgs.gov/publication/70202244},
  note = {Source identifier: 70202244}
}