National Research Council. Publication 392.

Introduction : a time-space model of disaster as a type of behavioral event -- Steady state : the city before impact -- Warning : the city learns of impending impact -- Impact : the tornado strikes -- Isolation : the impact area goes it alone -- Rescue : extrication, first aid, reassurance, and evacuation -- Rehabilitation : the attempt to restore the steady state -- Irreversible change : the city achieves a new equilibrium -- Special topics : the disaster syndrome, the counter-disaster syndrome, the length of the isolation period, the cornucopia theory.