Vincent, F. H., Paumard, T., Perrin, G., Varniere, P., Casse, F., Eisenhauer, F., Gillessen, S., & Armitage, P. J. (2014). Distinguishing an ejected blob from alternative flare models at the galactic centre with GRAVITY. Monthly Notices of the Royal Astronomical Society, 441(4), 3477-3487. doi:10.1093/mnras/stu812.