@misc{indiciaecf28dbe185e6,
  title = {Focusing effect in synchrotron radiation.},
  author = {D Villarroel},
  year = {1987},
  doi = {10.1103/physreva.36.2980},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899207/},
  note = {Source identifier: 9899207}
}