@inproceedings{Ferbel:2010rQ,
  author = "Ferbel, Thomas",
  title = "{Direct Measurement of the Mass Difference Between Top and Antitop Quarks}",
  doi = "10.22323/1.084.0469",
  booktitle = "Proceedings of European Physical Society Europhysics Conference on High Energy Physics {\textemdash} PoS(EPS-HEP 2009)",
  year = 2010,
  volume = "084",
  pages = "469"
}