@article{01247716, title = {Tight bounds on periodic cell configurations in life.}, journal = {Experimental Mathematics}, volume = {7}, year = {1998}, pages = {221-241}, doi = {10.1080/10586458.1998.10504370}, zbl = {1002.92501}, language = {en}, url = {http://dml.mathdoc.fr/item/01247716} }
Buckingham, David J.; Callahan, Paul B. Tight bounds on periodic cell configurations in life.. Experimental Mathematics, Tome 7 (1998) pp. 221-241. doi : 10.1080/10586458.1998.10504370. http://gdmltest.u-ga.fr/item/01247716/