@misc{indiciaecec9d84e49fa,
  title = {Study of the optical piston.},
  author = {HG Werij and JE Haverkort and JP Woerdman},
  year = {1986},
  doi = {10.1103/physreva.33.3270},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897036/},
  note = {Source identifier: 9897036}
}