@misc{indiciae5739c4b53e68,
  title = {Lead and thallium isotopes in Mare Tranquillitatis surface material},
  author = {Black, L. P. and Huey, J. M. and Ihochi, H. and Kohman, T. P.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700065472},
  note = {Source identifier: 19700065472}
}