@misc{indiciaec9160cc02271,
  title = {Parametric amplification in AgGaSe2},
  author = {Barnes, Norman P. and Gettemy, Donald J. and Hietanen, Jack R. and Iannini, Rebecca A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900031141},
  note = {Source identifier: 19900031141}
}