An immune algorithm with stochastic aging and kullback entropy for the chromatic number problem.

Vincenzo Cutello Giuseppe Nicosia Mario Pavone An immune algorithm with stochastic aging and kullback entropy for the chromatic number problem. 9-33 2007 14 J. Comb. Optim. 1 http://dx.doi.org/10.1007/s10878-006-9036-2 db/journals/jco/jco14.html#CutelloNP07