1. Schiffer, P.: Granular physics: a bridge to sandpile stability. Nat. Phys. 1, 21–22 (2005)
2. Richefeu, V., El Youssoufi, M.S., Azéma, E., Radjaï, F.: Force transmission in dry and wet granular media. Powder Technol. 190, 258–263 (2009)
3. Scheel, M., Seemann, R., Brinkmann, M., Di Michiel, M., Sheppard, A., Herminghaus, S.: Liquid distribution and cohesion in wet granular assemblies beyond the capillary bridge regime. J. Phys.: Condens. Matter 20, 494236, (7pp.) (2008)
4. Mikami, T., Kamiya, H., Horio, M.: Numerical simulation of cohesive powder behavior in a fluidized bed. Chem. Eng. Sci. 53(10), 1927–1940 (1998)
5. Pitois, O., Moucheront, P., Chateau, X.: Liquid bridge between two moving spheres: an experimental study of viscosity effects. J. Colloid Interface Sci. 231, 26–31 (2000)