@misc{indiciaeb9dbdefab1a6,
  title = {Optimization of microscopic and macroscopic second order optical nonlinearities},
  author = {Marder, Seth R. and Perry, Joseph W.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940019881},
  note = {Source identifier: 19940019881}
}