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Human Interactive Proofs (HIP)
2. HIP 2005: Bethlehem, PA, USA
- Henry S. Baird, Daniel P. Lopresti:
Human Interactive Proofs, Second International Workshop, HIP 2005, Bethlehem, PA, USA, May 19-20, 2005, Proceedings. Lecture Notes in Computer Science 3517, Springer 2005, ISBN 3-540-26001-3 [contents]

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