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2. The Great Crash 1929 — The Classic Study of the Disaster;Galbraith,1992
3. The Panic of 1907 — Lessons Learned from the Market’s Perfect Storm;Bruner,2007
4. Collective behavior coordination with predictive mechanisms;Zhang;IEEE Circuits and Systems Magazine,2008
5. EcoPS—a model of group-foraging with particle swarm systems;Chio,2007