Keim, P. Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;
Link (Any fulltext)
Zanghellini, J., Keim, P., & Grünberg, H. H. v. (2005). The softening of two-dimensional colloidal crystals. Journal of Physics: Condensed Matter, 17(45), S3579-S3586. doi:10.1088/0953-8984/17/45/051.