@misc{indiciaef3a5babe32e3,
  title = {Improved acoustic emission locations},
  author = {Getting, I. C. and Roecken, C. and Spetzler, H.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870060548},
  note = {Source identifier: 19870060548}
}