@misc{indiciae0fc959a6845b,
  title = {Positron lifetime spectroscopy in thin polymer coatings},
  author = {Singh, Jag J. and Eftekhari, Abe and Sprinkle, Danny R.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19930068920},
  note = {Source identifier: 19930068920}
}