%V 38 %N 2 %A Guido Caldarelli %A Ay?e Erzan %A Alessandro Vespignani %D 2004 %L eprints1126 %I Springer-Verlag %R 10.1140/epjb/e2003-00116-5 %T Preface on "Applications of Networks" %P 141-141 %J The European Physical Journal B - Condensed Matter