Quantifying grain shape with MorpheoLV: A case study using Holocene glacial marine sediments Isabelle Charpentier, Alicia B. Staszyc, Julia S. Wellner and Vanessa Alejandro EPJ Web Conf., 140 (2017) 14003 Published online: 30 June 2017 DOI: 10.1051/epjconf/201714014003