@inproceedings{Dreyer:2017Ee,
  author = "Dreyer, Lente  and  Böttcher, Markus",
  title = "{Gamma-Gamma Absorption in Gamma-Ray Burst Environments}",
  doi = "10.22323/1.275.0005",
  booktitle = "Proceedings of 4th Annual Conference on High Energy Astrophysics in Southern Africa {\textemdash} PoS(HEASA 2016)",
  year = 2017,
  volume = "275",
  pages = "005"
}