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JUCS - Journal of Universal Computer Science 15(1): 3-32
doi: 10.3217/jucs-015-01-0003
Published: 01 Jan 2009
This article is part of:
JUCS - Journal of Universal Computer Science 15(1)
Authors
Egon Börger - Corresponding author
University of Pisa, Pisa, Italy
http://www.di.unipi.it/~boerger
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Ove Sörensen
University of Kiel, Kiel, Germany
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Bernhard Thalheim
Christian Albrechts University Kiel, Kiel, Germany
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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.
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