Herminghaus, Stephan Group Granular matter and irreversibility, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;
Herminghaus, S., Riedel, M., Leiderer, P., Bastmeyer, M., & Stürmer, C. (1997). Optical force microscopy with silicone rubber waveguides. Applied Physics Letters, 70(1), 22-24. doi:10.1063/1.119292.