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JUCS - Journal of Universal Computer Science 14(5): 615-624
doi:
10.3217/jucs-014-05-0615
Published:
01 Mar 2008
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Author
Kalevi Kilkki
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Nokia Siemens Networks, Espoo, Finland
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Conflict of interest
The author has declared that no competing interests exist.
This article is freely available under the J.UCS Open Content License.