@article{HauptBenderFabianetal.2018,
  author    = {Johannes Haupt and Benedict Bender and Benjamin Fabian and Stefan Lessmann},
  title     = {Robust identification of email tracking},
  journal   = {European Journal of Operational Research},
  series    = {a machine learning approach},
  volume    = {271},
  number    = {1},
  pages     = {341 -- 356},
  doi       = {10.1016/j.ejor.2018.05.018},
  year      = {2018},
}