TY - JOUR A1 - T. Johannsen A1 - D. Psaltis A1 - S. Gillessen A1 - D. P. Marrone A1 - F. Özel A1 - S. S. Doeleman A1 - V. L. Fish AU - BT - ApJ IS - 1 LA - eng PY - 2012 EP - 30 T1 - Masses of nearby Supermassive Black Holes with Very Long Baseline Interferometry T2 - ApJ TI - Masses of nearby Supermassive Black Holes with Very Long Baseline Interferometry VL - 758 Y1 - 2012 ER -