Document Type

Article

Publication Date

2004

Comments

This article was originally published in Electronic Notes in Theoretical Computer Science, volume 100, in 2004. DOI: 10.1016/j.entcs.2004.09.002

Copyright

Elsevier

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.

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