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JUCS - Journal of Universal Computer Science 15(16): 3081-3100
doi:
10.3217/jucs-015-16-3081
Published:
01 Oct 2009
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Authors
Eduardo Gasca
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CICESE, Ensenada, Mexico
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Universidad Autónoma de Baja California (UABC), Ensenada, Mexico
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Conflict of interest
The authors have declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.