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JUCS - Journal of Universal Computer Science 13(3): 388-406
doi:
10.3217/jucs-013-03-0388
Published:
28 Mar 2007
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Authors
María del Carmen Peréz
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University of Alcala, Spain
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University of Alcala, Spain
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University College Cork, Ireland
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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.