RadioAstron space VLBI imaging of polarized radio emission in the high-redshift quasar 0642+449 at 1.6 GHzA. P. Lobanov, J. L. Gómez, G. Bruni, Y. Y. Kovalev, J. Anderson, U. Bach, A. Kraus, J. A. Zensus, M. M. Lisakov, K. V. Sokolovsky and P. A. VoytsikA&A, 583 (2015) A100DOI: https://doi.org/10.1051/0004-6361/201526335