@inproceedings{Mahmud:2007Tv,
  author = "Mahmud, Mehreen  and  Gabuzda, Denise",
  title = "{Searching for helical magnetic fields in BL Lac objects}",
  doi = "10.22323/1.036.0012",
  booktitle = "Proceedings of 8th European VLBI Network Symposium {\textemdash} PoS(8thEVN)",
  year = 2007,
  volume = "036",
  pages = "012"
}