@article{duPloy:2020H0,
  author = "du Ploy, Drikus  and  van Soelen, Brian",
  title = "{Gamma-gamma absorption in gamma-ray binary systems}",
  doi = "10.22323/1.371.0054",
  journal = "PoS",
  year = 2020,
  volume = "HEASA2019",
  pages = "054"
}