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JUCS - Journal of Universal Computer Science 13(7): 970-979
doi:
10.3217/jucs-013-07-0970
Published:
28 Jul 2007
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Authors
Erla M. Morales
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University of Salamanca, Spain
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University of Salamanca, Salamanca, 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.