@inproceedings{Limper:2009JJ,
  author = "Limper, Maaike  and  Liebig, Wolfgang  and  Prokofiev, Kirill  and  Colijn, Auke Pieter",
  title = "{Constraint Vertex Fitting in the ATLAS Experiment at LHC}",
  doi = "10.22323/1.070.0094",
  booktitle = "Proceedings of XII Advanced Computing and Analysis Techniques in Physics Research {\textemdash} PoS(ACAT08)",
  year = 2009,
  volume = "070",
  pages = "094"
}