TY  - JOUR
AU  - William C. Hoffman
TI  - Symmetry in Psychology
JO  - Visual Mathematics
PY  - 2003
VL  - 5
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VM_2003_5_4_a2/
ID  - VM_2003_5_4_a2
ER  -