Modelling exclusive meson pair production at hadron colliders L. A. Harland-Lang, V. A. Khoze and M. G. Ryskin Eur. Phys. J. C, 74 4 (2014) 2848 Published online: 25 April 2014 DOI: 10.1140/epjc/s10052-014-2848-9