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JUCS - Journal of Universal Computer Science 12(11): 1574-1593
doi:
10.3217/jucs-012-11-1574
Published:
28 Nov 2006
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Author
Jaime Sánchez-Hernández
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Universidad Complutense de Madrid, Spain
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Conflict of interest
The author has declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.