Ian Dobson Benjamin A. Carreras David E. Newman Branching Process Models for the Exponentially Increasing Portions of Cascading Failure Blackouts. 2005 conf/hicss/2005 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2005.125 db/conf/hicss/hicss2005-2.html#DobsonCN05