@Misc{ 
  AltBal18,
  author = { Altavilla, Amedeo and Ballico, Edoardo },
  title = { Twistor lines on algebraic surfaces },
  journal = { Annals of Global Analysis and Geometry },
  year = { 2018 },
  doi = { https://doi.org/10.1007/s10455-018-9640-2 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/289/ },
  note = { cvgmt preprint}
}