TY - JOUR AU - G. Lucca TI - Representing Seashells Surface JO - Visual Mathematics PY - 2003 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VM_2003_5_1_a3/ LA - en ID - VM_2003_5_1_a3 ER -