@misc{indiciaec97f898f1d1c,
  title = {Co-60 in lunar samples.},
  author = {Wahlen, M. and Finkel, R. C. and Imamura, M. and Kohl, C. P. and Arnold, J. R.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730055436},
  note = {Source identifier: 19730055436}
}