Particle shape dependence in 2D granular media CEGEO, B. Saint-Cyr, K. Szarf, C. Voivret, E. Azéma, V. Richefeu, J.-Y. Delenne, G. Combe, C. Nouguier-Lehon, P. Villard et al. (3 more) EPL, 98 4 (2012) 44008 Published online: 30 May 2012 DOI: 10.1209/0295-5075/98/44008