Jerier, J. F.Molinari, J. F.2011-11-092011-11-092011-11-09201210.1016/j.triboint.2011.08.016https://infoscience.epfl.ch/handle/20.500.14299/72377WOS:000300965400001Normal contact between rough surfaces by the Discrete Element Methodtext::journal::journal article::research article