TY - JOUR AU - Ali Deniz AU - Sahin Kocak AU - Ynuns Ozdemir AU - A. Ersin Ureyen TI - Wallpaper Patterns with Self-Similar and Graph-Directed Fractal Lattice Units JO - Visual Mathematics PY - 2011 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VM_2011_13_2_a1/ LA - en ID - VM_2011_13_2_a1 ER -