S. Aferka, A. Viva, E. Brunazzi, P. Marchot, M. Crine, D. Toye, X-ray Ct Study of the Influence of Liquid Viscosity on Fluid Phase Distribution in Modular Catalytic Packings, Chemical Engineering Transactions. 24 (2011) 1429-1434. doi:10.3303/CET1124239.