Model-independent extraction of |V tq | matrix elements from top-quark measurements at hadron collidersH. Lacker, A. Menzel, F. Spettel, D. Hirschbühl, J. Lück, F. Maltoni, W. Wagner and M. ZaroEur. Phys. J. C, 72 6 (2012) 2048DOI: https://doi.org/10.1140/epjc/s10052-012-2048-4