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JUCS - Journal of Universal Computer Science 14(9): 1447-1462
doi:
10.3217/jucs-014-09-1447
Published:
01 May 2008
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Authors
Montserrat Sendín
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University of Lleida, Lleida, Spain
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University of Castilla-La Mancha, Ciudad Real, Spain
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Universidad del Cauca, Popayan, Colombia
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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.