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JUCS - Journal of Universal Computer Science 9(9): 1030-1045
doi:
10.3217/jucs-009-09-1030
Published:
28 Sep 2003
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Author
Kazuko Takahashi
- Corresponding author
School of Science and Technology, Kwansei Gakuin University, Japan
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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.