Butt, Hans-Jürgen MPI for Polymer Research, Max Planck Society;
Nguyen, A. V., Nalaskowski, J., Miller, J. D., & Butt, H.-J. (2003). Attraction between hydrophobic surfaces studied by atomic force microscopy. International Journal of Mineral Processing, 72(1-4), 215-225. doi:10.1016/S0301-7516(03)00100-5.