TY  - JOUR
AU  - Livio Zefiro
TI  - The compound of three octahedra and a remarkable compound of three square dipyramids, the Escher's solid
JO  - Visual Mathematics
PY  - 2010
VL  - 12
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VM_2010_12_3_a3/
ID  - VM_2010_12_3_a3
ER  -