Khaled A. S. Abdel-Ghaffar Robert J. McEliece Soft Error Correction for Increased Densities in VLSI Memories. 248-250 1984 conf/isca/1984 ISCA db/conf/isca/isca84.html#Abdel-GhaffarM84 http://doi.acm.org/10.1145/800015.808191