@misc{indiciaec0147b28d248,
  title = {An activation analysis technique for determining groups of trace elements in rocks and chondrites},
  author = {Case, D. R. and Laul, J. C. and Lipschutz, M. E. and Schmidt-Bleek, F. and Wechter, M.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700062864},
  note = {Source identifier: 19700062864}
}