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JUCS - Journal of Universal Computer Science 7(9): 826-847
doi: 10.3217/jucs-007-09-0826
Published: 28 Sep 2001
This article is part of:
JUCS - Journal of Universal Computer Science 7(9)
Author
Helge Kahler - Corresponding author
University of Bonn, Germany Department of Computer Science III, Research Group HCI & CSCW, Germany
Articles by this author in:  CrossRef  |  Google Scholar
Conflict of interest
The author has declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.
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