Easy does it: more usable CAPTCHAs
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Elie Bursztein, Angelique Moscicki, Celine Fabry, Steven Bethard, John C. Mitchell, Dan Jurafsky
Easy does it: more usable CAPTCHAs
CHI, 2014.

CHI 2014
Full names Links ISxN
	author        = "Elie Bursztein and Angelique Moscicki and Celine Fabry and Steven Bethard and John C. Mitchell and Dan Jurafsky",
	booktitle     = "{Proceedings of the 32nd ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/2556288.2557322",
	isbn          = "978-1-4503-2473-1",
	pages         = "2637--2646",
	publisher     = "{ACM}",
	title         = "{Easy does it: more usable CAPTCHAs}",
	year          = 2014,

Bibliography of Software Language Engineering in Generated Hypertext (BibSLEIGH) is created and maintained by Dr. Vadim Zaytsev.
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