@misc{indiciaeb0e7877d4c92,
  title = {Helicity and vortex generation},
  author = {Takakura, Flavio},
  year = {2018},
  doi = {10.1016/j.aop.2018.09.008},
  url = {https://www.osti.gov/biblio/22848402},
  note = {Source identifier: 22848402}
}