Dry friction: motions – map, characterization and control A. Kenfack-Jiotsa, M. Motchongom-Tingue, D.C. Tsobgni-Fozap and T.C. Kofané Eur. Phys. J. B, 85 3 (2012) 101 Published online: 26 March 2012 DOI: 10.1140/epjb/e2012-20616-3