TY  - JOUR
AU  - Michael Leyton
TI  - Group Theory and Architecture, 2: Why Symmetry/Asymmetry?
JO  - Visual Mathematics
PY  - 1999
VL  - 1
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VM_1999_1_4_a2/
ID  - VM_1999_1_4_a2
ER  -