@article{Diaz-Gil:2005as,
  author = "Diaz-Gil, Andres  and  Garcia-Bellido, J.  and  Perez, Margarita Garcia  and  Gonzalez-Arroyo, Antonio",
  title = "{Magnetic field production after inflation. }",
  doi = "10.22323/1.020.0242",
  journal = "PoS",
  year = 2005,
  volume = "LAT2005",
  pages = "242"
}