%0 Journal Article %A Crowley, Diarmuid %A Nordström, Johannes %T New invariants of G2–structures %J Geometry & topology %D 2015 %P 2949-2992 %V 19 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2015.19.2949/ %R 10.2140/gt.2015.19.2949 %F GT_2015_19_5_a11