Evolution of particle breakage studied using x-ray tomography and the discrete element methodZeynep Karatza, Edward Andò, Stefanos-Aldo Papanicolopulos, Gioacchino Viggiani and Jin Y. OoiEPJ Web Conf., 140 (2017) 07013DOI: https://doi.org/10.1051/epjconf/201714007013