M. Bennaser Yao Guo Csaba Andras Moritz Data Memory Subsystem Resilient to Process Variations. 1631-1638 2008 16 IEEE Trans. VLSI Syst. 12 http://dx.doi.org/10.1109/TVLSI.2008.2001299 db/journals/tvlsi/tvlsi16.html#BennaserGM08