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"A New Human Interactive Proof System Using Arbitrary and Fractal Polygon ..."
Seon-Yeong Kim, Sora Kim, Hwan-Gue Cho (2011)
- Seon-Yeong Kim, Sora Kim, Hwan-Gue Cho:
A New Human Interactive Proof System Using Arbitrary and Fractal Polygon Image. CIT 2011: 261-268
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