@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" }