TY - JOUR AU - Denes Nagy TI - Symmetro-graphy (Bibliographic section) JO - Visual Mathematics PY - 1999 VL - 1 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VM_1999_1_4_a6/ ID - VM_1999_1_4_a6 ER -