J. Kołodziej, “Some comments on the Resistance Experienced by a Porous Sphere Moving in a Viscous Incompressible Fluid at Low Reynolds Numbers”, Eng. Trans., vol. 28, no. 1, pp. 41–48, Mar. 1980, Accessed: Apr. 24, 2025. [Online]. Available: https://et3.ippt.pan.pl/index.php/et/article/view/2042