Kinematic study of the blazar S5 0716+714U. Bach, T. P. Krichbaum, E. Ros, S. Britzen, W. W. Tian, A. Kraus, A. Witzel and J. A. ZensusA&A, 433 3 (2005) 815-825DOI: https://doi.org/10.1051/0004-6361:20040388