@article{Xu:2010hV,
  author = "Xu, Qingjun  and  Was, Zbigniew",
  title = "{Recent work on PHOTOS  Monte Carlo, $\gamma^*\rightarrow  \pi^+ \pi^- (\gamma)$ and Ke4 decay}",
  doi = "10.22323/1.092.0071",
  journal = "PoS",
  year = 2010,
  volume = "RADCOR2009",
  pages = "071"
}