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JUCS - Journal of Universal Computer Science 3(9): 1037-1055
doi:
10.3217/jucs-003-09-1037
Published:
28 Sep 1997
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Author
Martti Forsell
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University of Joensuu, 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.