@inproceedings{Zacharias:2019mr,
  author = "Zacharias, Michael",
  title = "{Blazar variability -- expect the unexpected}",
  doi = "10.22323/1.338.0033",
  booktitle = "Proceedings of High Energy Astrophysics in Southern Africa {\textemdash} PoS(HEASA2018)",
  year = 2019,
  volume = "338",
  pages = "033"
}