@inproceedings{Pena:2008mY,
  author = "Pena, Carlos",
  title = "{Non-perturbative renormalisation of four-fermion operators in $N_f=2$ QCD}",
  doi = "10.22323/1.042.0368",
  booktitle = "Proceedings of The XXV International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE 2007)",
  year = 2008,
  volume = "042",
  pages = "368"
}