%0 Journal Article %A D. Dunham %A J. Shier %T Periodic Fractal Patterns %J Journal for geometry and graphics %D 2017 %P 1-6 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2017_21_1_JGG_2017_21_1_a0/ %F JGG_2017_21_1_JGG_2017_21_1_a0