@article {1568597,
	title = {Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope},
	journal = {Astrophysical Journal},
	volume = {901},
	number = {1},
	year = {2020},
	pages = {28},
	url = {https://ui.adsabs.harvard.edu/abs/2020ApJ...901...67W/abstract},
	author = {M. Wielgus et al.}
}
