@inproceedings{Hahn:2009JI,
  author = "Hahn, Thomas",
  title = "{Extensions in FormCalc 5.3}",
  doi = "10.22323/1.050.0074",
  booktitle = "Proceedings of XI International Workshop on Advanced Computing and Analysis Techniques in Physics Research {\textemdash} PoS(ACAT)",
  year = 2009,
  volume = "050",
  pages = "074"
}