@inproceedings{Malec:2011Bd,
  author = "Malec, Beata",
  title = "{Cosmic Equation of state from Strong Gravitational Lensing Systems}",
  doi = "10.22323/1.123.0268",
  booktitle = "Proceedings of 25th Texas Symposium on Relativistic Astrophysics  {\textemdash} PoS(Texas 2010)",
  year = 2011,
  volume = "123",
  pages = "268"
}