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., & Leiderer, P. (1986). Surface tension of 4He near the critical point. Physics Letters. A, 115(9), 455-458. doi:10.1016/0375-9601(86)90075-7.