@article{Dreyer:2017Ee,
  author = "Dreyer, Lente  and  Böttcher, Markus",
  title = "{Gamma-Gamma Absorption in Gamma-Ray Burst Environments}",
  doi = "10.22323/1.275.0005",
  journal = "PoS",
  year = 2017,
  volume = "HEASA 2016",
  pages = "005"
}