TY - JOUR A1 - et M. Wielgus al. AU - BT - Astrophysical Journal IS - 1 LA - eng PY - 2020 EP - 28 T1 - Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope T2 - Astrophysical Journal TI - Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope UR - https://ui.adsabs.harvard.edu/abs/2020ApJ...901...67W/abstract VL - 901 Y1 - 2020 ER -