Carlos Fernandes Antonio Miguel Mora Juan Julián Merelo Guervós Vitorino Ramos Juan Luís Jiménez Laredo KohonAnts: A Self-Organizing Ant Algorithm for Clustering and Pattern Classification http://arxiv.org/abs/0803.2695 2008 CoRR abs/0803.2695 db/journals/corr/corr0803.html#abs-0803-2695 informal publication