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JUCS - Journal of Universal Computer Science 15(15): 2916-2936
doi:
10.3217/jucs-015-15-2916
Published:
01 Sep 2009
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Authors
Michael Hafner
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University of Innsbruck, Innsbruck, Austria
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University of Innsbruck, Innsbruck, Austria
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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.