@misc{indiciaeca3a644f344c,
  title = {Two-photon processes in faint biphoton field},
  author = {Strekalov, D. and Stowe, M. and Jackson, D. and Dowling, J. P.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060029439},
  note = {Source identifier: 20060029439}
}