@inproceedings{Lico:2016vB,
  author = "Lico, Rocco  and  Giroletti, M.  and  Orienti, M.  and  Giovannini, G.  and  Cotton, W.  and  Edwards, P.G.  and  Fuhrmann, L.  and  Kovalev, Y.Y.  and  Krichbaum, T.P.  and  Jorstad, S.  and  Kino, M.  and  Marscher, Alan  and  Paneque, D.  and  Perez-Torres, M.A.  and  Piner, B.G.  and  Sokolovsky, K.V.",
  title = "{Multi-frequency study of the TeV blazar Markarian 421 with VLBA observations taken during 2011}",
  doi = "10.22323/1.178.0024",
  booktitle = "Proceedings of 11th European VLBI Network Symposium & Users Meeting {\textemdash} PoS(11th EVN Symposium)",
  year = 2016,
  volume = "178",
  pages = "024"
}