VLBA monitoring of Mrk 421 at 15 GHz and 24 GHz during 2011
R. Lico, M. Giroletti, M. Orienti, G. Giovannini, W. Cotton, P. G. Edwards, L. Fuhrmann, T. P. Krichbaum, K. V. Sokolovsky, Y. Y. Kovalev, S. Jorstad, A. Marscher, M. Kino, D. Paneque, M. A. Perez-Torres and G. Piner
A&A, 545 (2012) A117
DOI: https://doi.org/10.1051/0004-6361/201219870
