%0 Journal Article %A Izidor Hafner %T 4-piece Dissection of Juel's Pyramid to a Triangular Prism %J Visual Mathematics %D 2007 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VM_2007_9_3_a1/ %F VM_2007_9_3_a1