@article{Neubert:2001aJ,
  author = "Neubert, Matthias",
  title = "{QCD factorization in $B\rightarrow \pi K$, $\pi \pi$ decays}",
  doi = "10.22323/1.007.0072",
  journal = "PoS",
  year = 2001,
  volume = "hep2001",
  pages = "072"
}