TY - RPRT TI - Memory in two-dimensional heap experiments. AU - J Geng AU - E Longhi AU - R P Behringer AU - D W Howell PY - 2001 DO - 10.1103/physreve.64.060301 UR - https://pubmed.ncbi.nlm.nih.gov/11736161/ ID - 11736161 ER -