@misc{indiciaef5b4d128e903,
  title = {Magnetic properties of microtektites},
  author = {Senftle, F. E. and Sullivan, S. and Thorpe, A. N.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700040723},
  note = {Source identifier: 19700040723}
}