%0 Journal Article %A Mann, Kathryn %T Unboundedness of some higher Euler classes %J Algebraic and Geometric Topology %D 2020 %P 1221-1234 %V 20 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2020.20.1221/ %R 10.2140/agt.2020.20.1221 %F 10_2140_agt_2020_20_1221