@misc{indiciaee2bcbe71a8de,
  title = {Magnetic susceptibility of tektites and some other glasses},
  author = {F. E. Senftle and A. Thorpe},
  year = {1959},
  doi = {10.1016/0016-7037(59)90098-5},
  url = {https://pubs.usgs.gov/publication/70010691},
  note = {Source identifier: 70010691}
}