Dejan J. Sobajic David Becker Walter Pfuntner Nisheeth Singh Information Exchange Infrastructures for Independent System Operators and Transmission System Operators: Characteristics and Functionalities. 2006 conf/hicss/2006 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2006.220 db/conf/hicss/hicss2006-10.html#SobajicBPS06