Kaushik Dutta Helen M. Thomas Anindya Datta Pinar Keskinocak 815-826 2007 37 IEEE Transactions on Systems, Man, and Cybernetics, Part C 5 http://doi.ieeecomputersociety.org/10.1109/TSMCC.2007.900667 db/journals/tsmc/tsmcc37.html#DuttaTDK07