Collective Weibull behavior of social atoms: Application of the rank-ordering statistics to historical extreme eventsChien-Chih Chen, Chih-Yuan Tseng, Luciano Telesca, Sung-Ching Chi and Li-Chung SunEPL, 97 4 (2012) 48010DOI: https://doi.org/10.1209/0295-5075/97/48010