Bruce A. Draper D. L. Elliott J. Hayes Kyungim Baek EM in high-dimensional spaces. 571-577 2005 35 IEEE Transactions on Systems, Man, and Cybernetics, Part B 3 http://dx.doi.org/10.1109/TSMCB.2005.846670 db/journals/tsmc/tsmcb35.html#DraperEHB05