VLBI observations of the radio quasar J2228+0110 at z = 5.95 and other field sources in multiple-phase-centre modeH.-M. Cao, S. Frey, L. I. Gurvits, J. Yang, X.-Y. Hong, Z. Paragi, A. T. Deller and Ž. IvezićA&A, 563 (2014) A111DOI: https://doi.org/10.1051/0004-6361/201323328
