@article{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", journal = "PoS", year = 2016, volume = "11th EVN Symposium", pages = "024" }