@misc{indiciaebaffd6d51776,
  title = {Nonlinear photorefractive response at high modulation depths},
  author = {Vachss, Frederick and Hesselink, Lambertus},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880052240},
  note = {Source identifier: 19880052240}
}