@inproceedings{Pena:20064S,
  author = "Pena, Carlos",
  title = "{Twisted mass QCD for weak matrix elements}",
  doi = "10.22323/1.032.0019",
  booktitle = "Proceedings of XXIVth International Symposium on Lattice Field Theory {\textemdash} PoS(LAT2006)",
  year = 2006,
  volume = "032",
  pages = "019"
}