%0 Journal Article %A Fabrizio Catanese %A Fabio Tonoli %T Even sets of nodes on sextic surfaces %J Journal of the European Mathematical Society %D 2007 %P 705-737 %V 9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/94/ %R 10.4171/jems/94 %F JEMS_2007_9_4_a3