An X-ray/SDSS sample - I. Multi-phase outflow incidence and dependence on AGN luminosity M. Perna, G. Lanzuisi, M. Brusa, M. Mignoli and G. Cresci A&A, 603 (2017) A99 Published online: 12 July 2017 DOI: 10.1051/0004-6361/201630369