@inproceedings{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", booktitle = "Proceedings of The Manchester Microlensing Conference: The 12th International Conference and ANGLES Microlensing Workshop {\textemdash} PoS(GMC8)", year = 2008, volume = "054", pages = "051" }