TY  - JOUR
AU  - Michael Burt
TI  - Periodic Sponge Surfaces and Uniform Sponge Polyhedra in Nature and in the Realm of the Theoretically Imaginable
JO  - Visual Mathematics
PY  - 2007
VL  - 9
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VM_2007_9_4_a1/
ID  - VM_2007_9_4_a1
ER  -