@BOOK{ieee-tec:special-issue,
EDITOR = {M.~Dorigo and L. M. Gambardella and M. Middendorf and T.~St{\"u}tzle},
TITLE = {Special Section on ``{A}nt {C}olony {O}ptimization''},
PUBLISHER = {\emph{IEEE Transactions on Evolutionary Computation}, 6(4), 317--365},
YEAR = 2002
}