The kinematics in the pc-scale jets of AGN - The case of S5 1803+784 S. Britzen, N. A. Kudryavtseva, A. Witzel, R. M. Campbell, E. Ros, M. Karouzos, A. Mehta, M. F. Aller, H. D. Aller, T. Beckert and J. A. Zensus A&A, 511 (2010) A57 Published online: 10 March 2010 DOI: 10.1051/0004-6361/20079267