@misc{indiciae2a1628669b7a,
  title = {Nondestructive evaluation of a ceramic matrix composite material},
  author = {Grosskopf, Paul P. and Duke, John C., Jr.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930049019},
  note = {Source identifier: 19930049019}
}