Ortiz-León, G., Johnson, M., Doeleman, S., Blackburn, L., Fish, V., Loinard, L., et al. (2016). The Intrinsic Shape of Sagittarius A* at 3.5 mm Wavelength. Astrophysical Journal, 824: 40, pp. 40. doi:10.3847/0004-637X/824/1/40.