Wahab, M.Abdel. “Finite Difference Code for Velocity and Surface Traction of a Fluid Between Two Eccentric Spheres”. JOURNAL OF ADVANCES IN PHYSICS 11, no. 1 (October 27, 2015): 2960–2971. Accessed April 13, 2025. https://rajpub.com/index.php/jap/article/view/6950.