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JUCS - Journal of Universal Computer Science 18(18): 2542-2555
doi:
10.3217/jucs-018-18-2542
Received:
29 May 2012 | Approved:
28 Sep 2012 | Published:
01 Oct 2012
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Authors
Nathan Labhart
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University of Zurich, Zürich, Switzerland
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Interdisciplinary Center Herzliya, Herzliya, Israel
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University of Lugano, Lugano, Switzerland
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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.