%0 Journal Article %A Announcement 2 %T Symmetries of Graphs and Networks (SYGN IV) %J Ars Mathematica Contemporanea %D 2014 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AMC_2014__7_1_a21/ %G en %F AMC_2014__7_1_a21