Giorgos Dimitrakopoulos Christos Mavrokefalidis Costas Galanopoulos Dimitris Nikolos Sorter Based Permutation Units for Media-Enhanced Microprocessors. 711-715 2007 15 IEEE Trans. VLSI Syst. 6 http://dx.doi.org/10.1109/TVLSI.2007.898750 db/journals/tvlsi/tvlsi15.html#DimitrakopoulosMGN07