@article{Williams:2004zS,
  author = "Williams, Liliya L. R.  and  Saha, Prasenjit",
  title = "{Strong Lensing}",
  doi = "10.22323/1.014.0100",
  journal = "PoS",
  year = 2004,
  volume = "BDMH2004",
  pages = "100"
}