@article{Diaz-Gil:2008pu,
  author = "Diaz-Gil, Andres",
  title = "{Primordial magnetic fields at preheating}",
  doi = "10.22323/1.042.0052",
  journal = "PoS",
  year = 2008,
  volume = "LATTICE 2007",
  pages = "052"
}