@article{Zhao:2009nq,
  author = "Zhao, Wei",
  title = "{Multi-frequency VLBI observations of blazar 1156+295 }",
  doi = "10.22323/1.072.0015",
  journal = "PoS",
  year = 2009,
  volume = "IX EVN Symposium",
  pages = "015"
}