@article{Garron:2012Fw,
  author = "Garron, Nicolas  and  Boyle, Peter A.  and  Lytle, Andrew",
  title = "{NPR of K\to\pi\pi operators with a step scaling matrix}",
  doi = "10.22323/1.139.0227",
  journal = "PoS",
  year = 2012,
  volume = "Lattice 2011",
  pages = "227"
}