%0 Journal Article %A Mattia Cavicchi %T On the Boundary and Intersection Motives of Genus 2 Hilbert-Siegel Varieties %J Documenta mathematica %D 2019 %P 1033-1098 %V 24 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/699/ %R 10.4171/dm/699 %F 10_4171_dm_699