Roth, R. Dept. Theory of Inhomogeneous Condensed Matter, Max Planck Institute for Intelligent Systems, Max Planck Society;
Louis, A. A., Allahyarov, E., Löwen, H., & Roth, R. (2002). Effective forces in colloidal mixtures: From depletion attraction to accumulation repulsion. Physical Review E, 65(6): 061407.