The X-ray lightcurve of Sagittarius A* over the past 150 years inferred from Fe-Kα line reverberation in Galactic centre molecular cloudsR. Capelli, R. S. Warwick, D. Porquet, S. Gillessen and P. PredehlA&A, 545 (2012) A35DOI: https://doi.org/10.1051/0004-6361/201219544
