@article{Liu:2010Gv,
  author = "Liu, Qi",
  title = "{Two pion scattering, I=0 and disconnected diagrams in lattice QCD}",
  doi = "10.22323/1.091.0101",
  journal = "PoS",
  year = 2010,
  volume = "LAT2009",
  pages = "101"
}