@article{Eigenbrod:2008ni,
  author = "Eigenbrod, Alexander",
  title = "{Microlensing variability in the gravitationally lensed quasar QSO $2237+0305 \equiv$  the Einstein Cross}",
  doi = "10.22323/1.054.0051",
  journal = "PoS",
  year = 2008,
  volume = "GMC8",
  pages = "051"
}