TY - RPRT TI - Quantifying Void Ratio in Granular Materials Using Voronoi Tessellation AU - Alshibli, Khalid A. AU - El-Saidany, Hany A. AU - Rose, M. Franklin PY - 2000 UR - https://ntrs.nasa.gov/citations/20010021216 ID - 20010021216 ER -