@misc{indiciae5397e59b99cc,
  title = {Focused X-shaped pulses.},
  author = {Michel Zamboni-Rached and Amr M Shaarawi and Erasmo Recami},
  year = {2004},
  doi = {10.1364/josaa.21.001564},
  url = {https://pubmed.ncbi.nlm.nih.gov/15330485/},
  note = {Source identifier: 15330485}
}