TY - JOUR AU - C O'Hern AU - Stephen Langer AU - A Liu AU - S Nagel C2 - Physical Review Letters DA - 2002-02-18 00:02:00 LA - en M1 - 88 PB - Physical Review Letters PY - 2002 TI - Random Packings of Frictionless Particles UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150840 ER -