@inproceedings{Heinrich:2013ul,
  author = "Heinrich, Gudrun  and  Borowka, Sophia",
  title = "{Numerical calculation of massive multi-loop integrals}",
  doi = "10.22323/1.151.0037",
  booktitle = "Proceedings of “Loops and Legs in Quantum Field Theory ” 11th DESY Workshop on Elementary Particle Physics  {\textemdash} PoS(LL2012)",
  year = 2013,
  volume = "151",
  pages = "037"
}