@ARTICLE{svozil-2001-eua, author = {Karl Svozil}, title = {Logical equivalence between generalized urn models and finite automata}, journal = {International Journal of Theoretical Physics}, year = {2005}, volume = {44}, pages = {745-754}, doi = {10.1007/s10773-005-7052-0}, eprint = {quant-ph/0209136}, issue = {7}, url = {http://dx.doi.org/10.1007/s10773-005-7052-0} }