\input zb-basic \input zb-ioport \iteman{io-port 70914004} \itemau{Sudholt, Dirk; Zarges, Christine} \itemti{Analysis of an iterated local search algorithm for vertex coloring} \itemso{ISAAC (1), 340-352 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-642-17517-6\_31} \end