Large-scale outflows in luminous QSOs revisited - The impact of beam smearing on AGN feedback efficienciesB. Husemann, J. Scharwächter, V. N. Bennert, V. Mainieri, J.-H. Woo and D. KakkadA&A, 594 (2016) A44DOI: https://doi.org/10.1051/0004-6361/201527992