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JUCS - Journal of Universal Computer Science 10(4): 454-472
doi:
10.3217/jucs-010-04-0454
Published:
28 Apr 2004
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Authors
Oscar Díaz
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University of the Basque Country, Spain
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University of the Basque Country, Spain
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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.