J. Roesler, P. Alix, A. Royon-Lebeaud, L. Valenz, J. Haidl, and F. Rejl, “Evaluation of the k_La_e of Structured Packings in Small Diameter Columns - The Key Role of Wall-Wipers”, Chemical Engineering Transactions, vol. 69, pp. 49-54, Oct. 2018.