@article{Mapelli:20040l,
  author = "Mapelli, Michela",
  title = "{First stars and extragalactic Background Light: new constraints to the model through the study of the photon photon absorption}",
  doi = "10.22323/1.012.0012",
  journal = "PoS",
  year = 2004,
  volume = "BDMH2004-abstracts",
  pages = "012"
}