Ben-Naim, E.Daya, Z. A.Ecke, R. E.Vorobieff, P.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1839210.17877/DE290R-12569enThe American Physical SocietyPhysical Review Letters530Knots and Random Walks in Vibrated Granular Chains10.1103/PhysRevLett.86.1414article (journal)