Hørlück, Sune Shock waves in two-dimensional granular flow: effects of rough walls and polydispersity. [electronic resource] - Physical review. E, Statistical, nonlinear, and soft matter physics Feb 2003 - 021304 p. digital Publication Type: Journal Article ISSN: 1539-3755 Standard No.: 10.1103/PhysRevE.67.021304 doi