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"On the necessity of user-friendly CAPTCHA."

Christos Fidas, Artemios G. Voyiatzis, Nikolaos M. Avouris (2011)

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DOI: 10.1145/1978942.1979325

access: closed

type: Conference or Workshop Paper

metadata version: 2022-10-02

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Christos Fidas, Artemios G. Voyiatzis, Nikolaos M. Avouris:
On the necessity of user-friendly CAPTCHA. CHI 2011: 2623-2626

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