@misc{indiciaef6be1204a880,
  title = {Vector electromagnetic X waves.},
  author = {Alessandro Ciattoni and Claudio Conti and Paolo Di Porto},
  year = {2004},
  doi = {10.1103/physreve.69.036608},
  url = {https://pubmed.ncbi.nlm.nih.gov/15089431/},
  note = {Source identifier: 15089431}
}