A VLBI survey of compact broad absorption line quasars with balnicity index BI > 0 M. Kunert-Bajraszewska, M. Cegłowski, K. Katarzyński and C. Roskowiński A&A, 579 (2015) A109 Published online: 09 July 2015 DOI: 10.1051/0004-6361/201526091