@misc{indiciaecea4bac69753, title = {Dynamics of a freely evolving, two-dimensional granular medium.}, author = {S McNamara and WR Young}, year = {1996}, doi = {10.1103/physreve.53.5089}, url = {https://pubmed.ncbi.nlm.nih.gov/9964840/}, note = {Source identifier: 9964840} }