title = {Upper bound on the products of particle interactions in cellular automata},
author = {Wim Hordijk and Cosma Rohilla Shalizi and James P. Crutchfield},
type = {working paper},
institution = {Santa Fe Inst.},
address = {1399 Hyde Park Road, Santa Fe, New Mexico 87501, USA},
number = {00-09-052},
month = {Sep},
year = {2000},
url = {http://www.santafe.edu/sfi/publications/Abstracts/00-09-052abs.html},
eprint = {nlin.CG/0008038}}

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