@misc{indiciae1c80ef12675a,
  title = {IR pumped third-harmonic generation and sum-frequency generation in diatomic molecules},
  author = {She, C. Y. and Billman, K. W.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760014425},
  note = {Source identifier: 19760014425}
}