Takaji Inamuro, Hirofumi Hayashi and Masahiro Koshiyama. (2011). Behaviors of Spherical and Nonspherical Particles in a Square Pipe Flow.
            <i>Communications in Computational Physics</i>. <i>9</i> (5).
            1179-1192.
         doi:10.4208/cicp.311009.020910s