M. H. Müser and C. Campana,
A theoretical and computational study of superlubricity and the role of the roughness exponent, in Proceedings WTC2005 World Tribology Congress III (Eds. R.S.Cowan, J.Tichy, S.Gunsel, J.Knight), paper WTC2005-63868; ASME, New York, NY, 2005. (accepted version).