TY  - JOUR
AU  - Buckingham, David J.
AU  - Callahan, Paul B.
TI  - Tight bounds on periodic cell configurations in life.
JO  - Experimental mathematics
PY  - 1998
SP  - 221
EP  - 241
VL  - 7
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EXMA_1998__7_3_222628/
LA  - en
ID  - EXMA_1998__7_3_222628
ER  -