@article{Serpico:2016dK,
  author = "Serpico, P.  and  Poulin, Vivian",
  title = "{A loophole to the universal photon spectrum in electromagnetic cascades: applications to non-thermal primordial nucleosynthesis}",
  doi = "10.22323/1.258.0119",
  journal = "PoS",
  year = 2016,
  volume = "PLANCK 2015",
  pages = "119"
}