Laure, P., G. . Beaume, O. . Basset, L. . Silva, and T. . Coupez. “Numerical Methods for Solid Particles in Particulate Flow Simulations”. European Journal of Computational Mechanics, vol. 16, no. 3-4, Aug. 2007, pp. 365-83, doi:10.13052/REMN.16.365-383.