Ali Mili Lan Wu Frederick T. Sheldon Mark Shereshevsky Jules Desharnais Modeling Redundancy: Quantitative and Qualitative Models. 1-8 2006 AICCSA http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=33913&arnumber=1618325&count=182&index=0 conf/aiccsa/2006 db/conf/aiccsa/aiccsa2006.html#MiliWSSD06