Herminghaus, S. Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;
Herminghaus, S. (2005). A Generic Mechanism of Sliding Friction between Charged Soft Surfaces. Physical Review Letters, 95: 264301. doi:10.1103/PhysRevLett.95.264301.